256049168344 has 16 divisors (see below), whose sum is σ = 480316879800. Its totient is φ = 127964667072.

The previous prime is 256049168339. The next prime is 256049168357. The reversal of 256049168344 is 443861940652.

It is a super-2 number, since 2×256049168344² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256049168291 and 256049168300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7471474 + ... + 7505665.

Almost surely, 2^256049168344 is an apocalyptic number.

It is an amenable number.

256049168344 is a deficient number, since it is larger than the sum of its proper divisors (224267711456).

256049168344 is a wasteful number, since it uses less digits than its factorization.

256049168344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14979282 (or 14979278 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 256049168344 in words is "two hundred fifty-six billion, forty-nine million, one hundred sixty-eight thousand, three hundred forty-four".