25252415360 has 64 divisors (see below), whose sum is σ = 61392351600. Its totient is φ = 9929748480.

The previous prime is 25252415341. The next prime is 25252415401. The reversal of 25252415360 is 6351425252.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 25252415360.

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, 296621 + ... + 372140.

Almost surely, 2^25252415360 is an apocalyptic number.

25252415360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25252415360 is an abundant number, since it is smaller than the sum of its proper divisors (36139936240).

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

25252415360 is an equidigital number, since it uses as much as digits as its factorization.

25252415360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668839 (or 668827 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 25252415360 in words is "twenty-five billion, two hundred fifty-two million, four hundred fifteen thousand, three hundred sixty".