331977264 has 40 divisors (see below), whose sum is σ = 885276672. Its totient is φ = 107088960.

The previous prime is 331977251. The next prime is 331977271. The reversal of 331977264 is 462779133.

It is a super-2 number, since 2×331977264² = 220417807625851392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110064 + ... + 113039.

Almost surely, 2^331977264 is an apocalyptic number.

It is an amenable number.

331977264 is an abundant number, since it is smaller than the sum of its proper divisors (553299408).

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

331977264 is a wasteful number, since it uses less digits than its factorization.

331977264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223145 (or 223139 counting only the distinct ones).

The product of its digits is 190512, while the sum is 42.

The square root of 331977264 is about 18220.2432475530. The cubic root of 331977264 is about 692.4197504613.

The spelling of 331977264 in words is "three hundred thirty-one million, nine hundred seventy-seven thousand, two hundred sixty-four".