256933227454 has 16 divisors (see below), whose sum is σ = 410121036000. Its totient is φ = 120302164224.

The previous prime is 256933227443. The next prime is 256933227479. The reversal of 256933227454 is 454722339652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18980319 + ... + 18993850.

It is an arithmetic number, because the mean of its divisors is an integer number (25632564750).

Almost surely, 2^256933227454 is an apocalyptic number.

256933227454 is a deficient number, since it is larger than the sum of its proper divisors (153187808546).

256933227454 is a wasteful number, since it uses less digits than its factorization.

256933227454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37974387.

The product of its digits is 10886400, while the sum is 52.

The spelling of 256933227454 in words is "two hundred fifty-six billion, nine hundred thirty-three million, two hundred twenty-seven thousand, four hundred fifty-four".