25464742732 has 96 divisors (see below), whose sum is σ = 53734544640. Its totient is φ = 10405774080.

The previous prime is 25464742691. The next prime is 25464742741. The reversal of 25464742732 is 23724746452.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4210903 + ... + 4216945.

It is an arithmetic number, because the mean of its divisors is an integer number (559734840).

Almost surely, 2^25464742732 is an apocalyptic number.

25464742732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25464742732 is an abundant number, since it is smaller than the sum of its proper divisors (28269801908).

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

25464742732 is a wasteful number, since it uses less digits than its factorization.

25464742732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263 (or 6261 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 46.

The spelling of 25464742732 in words is "twenty-five billion, four hundred sixty-four million, seven hundred forty-two thousand, seven hundred thirty-two".