256224576 has 56 divisors (see below), whose sum is σ = 713618080. Its totient is φ = 80911872.

The previous prime is 256224523. The next prime is 256224581. The reversal of 256224576 is 675422652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31471 + ... + 38766.

It is an arithmetic number, because the mean of its divisors is an integer number (12743180).

Almost surely, 2^256224576 is an apocalyptic number.

It is an amenable number.

256224576 is an abundant number, since it is smaller than the sum of its proper divisors (457393504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256224576 is a wasteful number, since it uses less digits than its factorization.

256224576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70271 (or 70261 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 256224576 is about 16007.0164615396. The cubic root of 256224576 is about 635.1460395296.

The spelling of 256224576 in words is "two hundred fifty-six million, two hundred twenty-four thousand, five hundred seventy-six".