25207195960 has 32 divisors (see below), whose sum is σ = 56721461760. Its totient is φ = 10081941376.

The previous prime is 25207195913. The next prime is 25207195991. The reversal of 25207195960 is 6959170252.

It is a self number, because there is not a number n which added to its sum of digits gives 25207195960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546102 + ... + 590458.

It is an arithmetic number, because the mean of its divisors is an integer number (1772545680).

Almost surely, 2^25207195960 is an apocalyptic number.

25207195960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25207195960 is an abundant number, since it is smaller than the sum of its proper divisors (31514265800).

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

25207195960 is a wasteful number, since it uses less digits than its factorization.

25207195960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58575 (or 58571 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 25207195960 in words is "twenty-five billion, two hundred seven million, one hundred ninety-five thousand, nine hundred sixty".