You are worth ~26€ to Google. On average, only ~5% of users are willing to pay, so each paying user would have to subsidize ~19 non-paying users for such a model to be profitable.

This would result in you paying around 600€ to use Google.

Alternatively, in a paid-only scenario (where you just pay the 26€), Google would become such a niche product that it'd become irrelevant.

Is that figure a monthly value or a "total customer value", e. g. One-time indulgence payment?

And would 26€ per month also remove all Google ads from the Internet?

That was a total customer value that leaked a few years ago, if I remember correctly.

The ad business requires Google to hire a hell of a lot of developers who are not working on the search engine. A pay service would be viable on less revenue. And nobody knows who many people are actually willing to pay for Google search because we've never had to.

26 in what period? Like over the life time, year, month?

You might, but not very many people would. Realistically we'd lose Google.