256319002294 has 16 divisors (see below), whose sum is σ = 398450502000. Its totient is φ = 123518037664.

The previous prime is 256319002283. The next prime is 256319002297. The reversal of 256319002294 is 492200913652.

It is a self number, because there is not a number n which added to its sum of digits gives 256319002294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256319002297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3934744 + ... + 3999355.

It is an arithmetic number, because the mean of its divisors is an integer number (24903156375).

Almost surely, 2^256319002294 is an apocalyptic number.

256319002294 is a deficient number, since it is larger than the sum of its proper divisors (142131499706).

256319002294 is a wasteful number, since it uses less digits than its factorization.

256319002294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934687.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 256319002294 in words is "two hundred fifty-six billion, three hundred nineteen million, two thousand, two hundred ninety-four".