256042460295 has 64 divisors (see below), whose sum is σ = 473703552000. Its totient is φ = 131057313408.

The previous prime is 256042460257. The next prime is 256042460327. The reversal of 256042460295 is 592064240652.

256042460295 is a `hidden beast` number, since 2 + 5 + 60 + 42 + 460 + 2 + 95 = 666.

It is not a de Polignac number, because 256042460295 - 2²⁰ = 256041411719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 256042460295.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 457996 + ... + 849614.

It is an arithmetic number, because the mean of its divisors is an integer number (7401618000).

Almost surely, 2^256042460295 is an apocalyptic number.

256042460295 is a deficient number, since it is larger than the sum of its proper divisors (217661091705).

256042460295 is a wasteful number, since it uses less digits than its factorization.

256042460295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391829 (or 391823 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 256042460295 in words is "two hundred fifty-six billion, forty-two million, four hundred sixty thousand, two hundred ninety-five".