3215243602256 has 80 divisors (see below), whose sum is σ = 7147333398528. Its totient is φ = 1372570531200.

The previous prime is 3215243602213. The next prime is 3215243602261. The reversal of 3215243602256 is 6522063425123.

It is a super-3 number, since 3×3215243602256³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182437061 + ... + 182454683.

Almost surely, 2^{3215243602256} is an apocalyptic number.

It is an amenable number.

3215243602256 is an abundant number, since it is smaller than the sum of its proper divisors (3932089796272).

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

3215243602256 is a wasteful number, since it uses less digits than its factorization.

3215243602256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23920 (or 23914 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 3215243602256 in words is "three trillion, two hundred fifteen billion, two hundred forty-three million, six hundred two thousand, two hundred fifty-six".