2056731336464 has 80 divisors (see below), whose sum is σ = 4701577936896. Its totient is φ = 852935529600.

The previous prime is 2056731336461. The next prime is 2056731336511. The reversal of 2056731336464 is 4646331376502.

It is not an unprimeable number, because it can be changed into a prime (2056731336461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42997649 + ... + 43045455.

Almost surely, 2^{2056731336464} is an apocalyptic number.

It is an amenable number.

2056731336464 is an abundant number, since it is smaller than the sum of its proper divisors (2644846600432).

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

2056731336464 is a wasteful number, since it uses less digits than its factorization.

2056731336464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60244 (or 60238 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 50.

The spelling of 2056731336464 in words is "two trillion, fifty-six billion, seven hundred thirty-one million, three hundred thirty-six thousand, four hundred sixty-four".