201626422250 has 64 divisors (see below), whose sum is σ = 425956527360. Its totient is φ = 70790440000.

The previous prime is 201626422237. The next prime is 201626422273. The reversal of 201626422250 is 52224626102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1184366 + ... + 1343865.

It is an arithmetic number, because the mean of its divisors is an integer number (6655570740).

Almost surely, 2^201626422250 is an apocalyptic number.

201626422250 is an abundant number, since it is smaller than the sum of its proper divisors (224330105110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201626422250 is a wasteful number, since it uses less digits than its factorization.

201626422250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528288 (or 2528278 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 201626422250 in words is "two hundred one billion, six hundred twenty-six million, four hundred twenty-two thousand, two hundred fifty".