3215140656960 has 112 divisors (see below), whose sum is σ = 10381089931200. Its totient is φ = 842839117824.

The previous prime is 3215140656941. The next prime is 3215140656977. The reversal of 3215140656960 is 696560415123.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28325605 + ... + 28438884.

Almost surely, 2^{3215140656960} is an apocalyptic number.

3215140656960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3215140656960 is an abundant number, since it is smaller than the sum of its proper divisors (7165949274240).

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

3215140656960 is a wasteful number, since it uses less digits than its factorization.

3215140656960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56764568 (or 56764558 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 3215140656960 in words is "three trillion, two hundred fifteen billion, one hundred forty million, six hundred fifty-six thousand, nine hundred sixty".