25330540332 has 48 divisors (see below), whose sum is σ = 61166619360. Its totient is φ = 8149166592.

The previous prime is 25330540321. The next prime is 25330540409. The reversal of 25330540332 is 23304503352.

It is a super-2 number, since 2×25330540332² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25330540332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974448 + ... + 1000104.

It is an arithmetic number, because the mean of its divisors is an integer number (1274304570).

Almost surely, 2^25330540332 is an apocalyptic number.

It is an amenable number.

25330540332 is an abundant number, since it is smaller than the sum of its proper divisors (35836079028).

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

25330540332 is a wasteful number, since it uses less digits than its factorization.

25330540332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28530 (or 28528 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 30.

The spelling of 25330540332 in words is "twenty-five billion, three hundred thirty million, five hundred forty thousand, three hundred thirty-two".