25232456320 has 64 divisors (see below), whose sum is σ = 60347465640. Its totient is φ = 10088611840.

The previous prime is 25232456303. The next prime is 25232456341. The reversal of 25232456320 is 2365423252.

It can be written as a sum of positive squares in 4 ways, for example, as 18467722816 + 6764733504 = 135896^2 + 82248^2 .

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

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, 1754760 + ... + 1769080.

Almost surely, 2^25232456320 is an apocalyptic number.

25232456320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25232456320 is an abundant number, since it is smaller than the sum of its proper divisors (35115009320).

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

25232456320 is a wasteful number, since it uses less digits than its factorization.

25232456320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17093 (or 17081 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 25232456320 its reverse (2365423252), we get a palindrome (27597879572).

The spelling of 25232456320 in words is "twenty-five billion, two hundred thirty-two million, four hundred fifty-six thousand, three hundred twenty".