256453457224 has 32 divisors (see below), whose sum is σ = 482102824320. Its totient is φ = 127892961856.

The previous prime is 256453457219. The next prime is 256453457231. The reversal of 256453457224 is 422754354652.

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, 8701377 + ... + 8730799.

It is an arithmetic number, because the mean of its divisors is an integer number (15065713260).

Almost surely, 2^256453457224 is an apocalyptic number.

It is an amenable number.

256453457224 is a deficient number, since it is larger than the sum of its proper divisors (225649367096).

256453457224 is a wasteful number, since it uses less digits than its factorization.

256453457224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32229 (or 32225 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 49.

The spelling of 256453457224 in words is "two hundred fifty-six billion, four hundred fifty-three million, four hundred fifty-seven thousand, two hundred twenty-four".