256327272 has 48 divisors (see below), whose sum is σ = 724407840. Its totient is φ = 81727008.

The previous prime is 256327243. The next prime is 256327283. The reversal of 256327272 is 272723652.

256327272 is a `hidden beast` number, since 2 + 563 + 27 + 2 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75738 + ... + 79049.

It is an arithmetic number, because the mean of its divisors is an integer number (15091830).

Almost surely, 2^256327272 is an apocalyptic number.

It is an amenable number.

256327272 is an abundant number, since it is smaller than the sum of its proper divisors (468080568).

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

256327272 is a wasteful number, since it uses less digits than its factorization.

256327272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154822 (or 154815 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 256327272 is about 16010.2239834426. The cubic root of 256327272 is about 635.2308846892.

The spelling of 256327272 in words is "two hundred fifty-six million, three hundred twenty-seven thousand, two hundred seventy-two".