256318826434 has 8 divisors (see below), whose sum is σ = 419430806928. Its totient is φ = 116508557460.

The previous prime is 256318826419. The next prime is 256318826441. The reversal of 256318826434 is 434628813652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5825427852 + ... + 5825427895.

It is an arithmetic number, because the mean of its divisors is an integer number (52428850866).

Almost surely, 2^256318826434 is an apocalyptic number.

256318826434 is a deficient number, since it is larger than the sum of its proper divisors (163111980494).

256318826434 is a wasteful number, since it uses less digits than its factorization.

256318826434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650855760.

The product of its digits is 6635520, while the sum is 52.

The spelling of 256318826434 in words is "two hundred fifty-six billion, three hundred eighteen million, eight hundred twenty-six thousand, four hundred thirty-four".