25403532324 has 12 divisors (see below), whose sum is σ = 59274908784. Its totient is φ = 8467844104.

The previous prime is 25403532313. The next prime is 25403532347. The reversal of 25403532324 is 42323530452.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058480502 + ... + 1058480525.

It is an arithmetic number, because the mean of its divisors is an integer number (4939575732).

Almost surely, 2^25403532324 is an apocalyptic number.

It is an amenable number.

25403532324 is an abundant number, since it is smaller than the sum of its proper divisors (33871376460).

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

25403532324 is a wasteful number, since it uses less digits than its factorization.

25403532324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116961034 (or 2116961032 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 33.

The spelling of 25403532324 in words is "twenty-five billion, four hundred three million, five hundred thirty-two thousand, three hundred twenty-four".