Twitter's mMAUs (monthly Monetizable Active Users) stands at 450 million. If they pay $8 per month, that gives Elon $3.6B per month. It will take 13 months to make $44B - the purchase price QED. Elon Musk is a genius.
I saw this figure online yesterday on the number of Verified users and it was not up to 1 million and cross check again. It is in the range of 450k not 450 million. According to guardian there are 450k verified account, which around 1% of users (
https://www.theguardian.com/technology/2022/oct/31/elon-musk-charge-twitter-users-verified-accounts-vine )