28132925232 has 20 divisors (see below), whose sum is σ = 72676723640. Its totient is φ = 9377641728.

The previous prime is 28132925221. The next prime is 28132925243. The reversal of 28132925232 is 23252923182.

It is an interprime number because it is at equal distance from previous prime (28132925221) and next prime (28132925243).

It is a super-2 number, since 2×28132925232² (a number of 22 digits) contains 22 as substring.

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, 293051257 + ... + 293051352.

It is an arithmetic number, because the mean of its divisors is an integer number (3633836182).

Almost surely, 2^28132925232 is an apocalyptic number.

It is an amenable number.

28132925232 is an abundant number, since it is smaller than the sum of its proper divisors (44543798408).

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

28132925232 is a wasteful number, since it uses less digits than its factorization.

28132925232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586102620 (or 586102614 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The spelling of 28132925232 in words is "twenty-eight billion, one hundred thirty-two million, nine hundred twenty-five thousand, two hundred thirty-two".