256270572 has 18 divisors (see below), whose sum is σ = 647795148. Its totient is φ = 85423512.

The previous prime is 256270561. The next prime is 256270579. The reversal of 256270572 is 275072652.

256270572 is a `hidden beast` number, since 25 + 62 + 7 + 0 + 572 = 666.

256270572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7118627 = 256270572 / (2 + 5 + 6 + 2 + 7 + 0 + 5 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (256270579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3559278 + ... + 3559349.

Almost surely, 2^256270572 is an apocalyptic number.

It is an amenable number.

256270572 is an abundant number, since it is smaller than the sum of its proper divisors (391524576).

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

256270572 is a wasteful number, since it uses less digits than its factorization.

256270572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118637 (or 7118632 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 256270572 is about 16008.4531420122. The cubic root of 256270572 is about 635.1840432081.

The spelling of 256270572 in words is "two hundred fifty-six million, two hundred seventy thousand, five hundred seventy-two".