30890306832 has 120 divisors (see below), whose sum is σ = 100244708928. Its totient is φ = 8023445760.

The previous prime is 30890306819. The next prime is 30890306861. The reversal of 30890306832 is 23860309803.

It is a super-2 number, since 2×30890306832² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339243 + ... + 420554.

Almost surely, 2^30890306832 is an apocalyptic number.

It is an amenable number.

30890306832 is an abundant number, since it is smaller than the sum of its proper divisors (69354402096).

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

30890306832 is a wasteful number, since it uses less digits than its factorization.

30890306832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759837 (or 759820 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 30890306832 in words is "thirty billion, eight hundred ninety million, three hundred six thousand, eight hundred thirty-two".