25922988396 has 72 divisors (see below), whose sum is σ = 70224676704. Its totient is φ = 8041904640.

The previous prime is 25922988389. The next prime is 25922988439. The reversal of 25922988396 is 69388922952.

25922988396 is a `hidden beast` number, since 2 + 592 + 2 + 9 + 8 + 8 + 39 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392445 + ... + 453716.

It is an arithmetic number, because the mean of its divisors is an integer number (975342732).

Almost surely, 2^25922988396 is an apocalyptic number.

It is an amenable number.

25922988396 is an abundant number, since it is smaller than the sum of its proper divisors (44301688308).

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

25922988396 is a wasteful number, since it uses less digits than its factorization.

25922988396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846231 (or 846226 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 25922988396 in words is "twenty-five billion, nine hundred twenty-two million, nine hundred eighty-eight thousand, three hundred ninety-six".