2256980878992 has 160 divisors (see below), whose sum is σ = 6945706335232. Its totient is φ = 618058501632.

The previous prime is 2256980878987. The next prime is 2256980879003. The reversal of 2256980878992 is 2998780896522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521878 + ... + 2187765.

Almost surely, 2^{2256980878992} is an apocalyptic number.

It is an amenable number.

2256980878992 is an abundant number, since it is smaller than the sum of its proper divisors (4688725456240).

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

2256980878992 is a wasteful number, since it uses less digits than its factorization.

2256980878992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709765 (or 2709759 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 75.

The spelling of 2256980878992 in words is "two trillion, two hundred fifty-six billion, nine hundred eighty million, eight hundred seventy-eight thousand, nine hundred ninety-two".