331472264 has 8 divisors (see below), whose sum is σ = 621510510. Its totient is φ = 165736128.

The previous prime is 331472261. The next prime is 331472299. The reversal of 331472264 is 462274133.

It can be written as a sum of positive squares in only one way, i.e., 274167364 + 57304900 = 16558^2 + 7570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 331472264.

It is not an unprimeable number, because it can be changed into a prime (331472261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20717009 + ... + 20717024.

Almost surely, 2^331472264 is an apocalyptic number.

It is an amenable number.

331472264 is a deficient number, since it is larger than the sum of its proper divisors (290038246).

331472264 is a wasteful number, since it uses less digits than its factorization.

331472264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41434039 (or 41434035 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 331472264 is about 18206.3797609519. The cubic root of 331472264 is about 692.0684719576.

The spelling of 331472264 in words is "three hundred thirty-one million, four hundred seventy-two thousand, two hundred sixty-four".