25787225460 has 24 divisors (see below), whose sum is σ = 72204231456. Its totient is φ = 6876593440.

The previous prime is 25787225417. The next prime is 25787225483. The reversal of 25787225460 is 6452278752.

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, 214893486 + ... + 214893605.

It is an arithmetic number, because the mean of its divisors is an integer number (3008509644).

Almost surely, 2^25787225460 is an apocalyptic number.

25787225460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25787225460 is an abundant number, since it is smaller than the sum of its proper divisors (46417005996).

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

25787225460 is a wasteful number, since it uses less digits than its factorization.

25787225460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429787103 (or 429787101 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 25787225460 in words is "twenty-five billion, seven hundred eighty-seven million, two hundred twenty-five thousand, four hundred sixty".