3215268864 has 88 divisors (see below), whose sum is σ = 9522152720. Its totient is φ = 1071747072.

The previous prime is 3215268827. The next prime is 3215268887. The reversal of 3215268864 is 4688625123.

3215268864 is a `hidden beast` number, since 321 + 5 + 268 + 8 + 64 = 666.

It is a congruent number.

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, 30499 + ... + 85794.

Almost surely, 2^3215268864 is an apocalyptic number.

It is an amenable number.

3215268864 is an abundant number, since it is smaller than the sum of its proper divisors (6306883856).

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

3215268864 is a wasteful number, since it uses less digits than its factorization.

3215268864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116322 (or 116298 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 3215268864 is about 56703.3408539567. The cubic root of 3215268864 is about 1475.9526721555.

The spelling of 3215268864 in words is "three billion, two hundred fifteen million, two hundred sixty-eight thousand, eight hundred sixty-four".