25402291232 has 24 divisors (see below), whose sum is σ = 50195319552. Its totient is φ = 12654273600.

The previous prime is 25402291217. The next prime is 25402291247. The reversal of 25402291232 is 23219220452.

It is an interprime number because it is at equal distance from previous prime (25402291217) and next prime (25402291247).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455944 + ... + 1473287.

It is an arithmetic number, because the mean of its divisors is an integer number (2091471648).

Almost surely, 2^25402291232 is an apocalyptic number.

It is an amenable number.

25402291232 is a deficient number, since it is larger than the sum of its proper divisors (24793028320).

25402291232 is a wasteful number, since it uses less digits than its factorization.

25402291232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929512 (or 2929504 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 25402291232 in words is "twenty-five billion, four hundred two million, two hundred ninety-one thousand, two hundred thirty-two".