25872022920 has 64 divisors (see below), whose sum is σ = 77964203520. Its totient is φ = 6868260864.

The previous prime is 25872022907. The next prime is 25872023003. The reversal of 25872022920 is 2922027852.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456649 + ... + 510168.

It is an arithmetic number, because the mean of its divisors is an integer number (1218190680).

Almost surely, 2^25872022920 is an apocalyptic number.

25872022920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25872022920 is an abundant number, since it is smaller than the sum of its proper divisors (52092180600).

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

25872022920 is a wasteful number, since it uses less digits than its factorization.

25872022920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967054 (or 967050 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 25872022920 in words is "twenty-five billion, eight hundred seventy-two million, twenty-two thousand, nine hundred twenty".