256047642034 has 32 divisors (see below), whose sum is σ = 429197140800. Its totient is φ = 113849971200.

The previous prime is 256047642029. The next prime is 256047642079. The reversal of 256047642034 is 430246740652.

256047642034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278067 + ... + 767734.

It is an arithmetic number, because the mean of its divisors is an integer number (13412410650).

Almost surely, 2^256047642034 is an apocalyptic number.

256047642034 is a deficient number, since it is larger than the sum of its proper divisors (173149498766).

256047642034 is a wasteful number, since it uses less digits than its factorization.

256047642034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046218.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 256047642034 in words is "two hundred fifty-six billion, forty-seven million, six hundred forty-two thousand, thirty-four".