25288865760 has 48 divisors (see below), whose sum is σ = 79659928656. Its totient is φ = 6743697408.

The previous prime is 25288865759. The next prime is 25288865779. The reversal of 25288865760 is 6756888252.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 25288865760.

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, 26342089 + ... + 26343048.

It is an arithmetic number, because the mean of its divisors is an integer number (1659581847).

Almost surely, 2^25288865760 is an apocalyptic number.

25288865760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25288865760 is an abundant number, since it is smaller than the sum of its proper divisors (54371062896).

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

25288865760 is a wasteful number, since it uses less digits than its factorization.

25288865760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52685155 (or 52685147 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 25288865760 in words is "twenty-five billion, two hundred eighty-eight million, eight hundred sixty-five thousand, seven hundred sixty".