256260624 has 20 divisors (see below), whose sum is σ = 662006736. Its totient is φ = 85420192.

The previous prime is 256260569. The next prime is 256260629. The reversal of 256260624 is 426062652.

It is not an unprimeable number, because it can be changed into a prime (256260629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669334 + ... + 2669429.

Almost surely, 2^256260624 is an apocalyptic number.

256260624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

256260624 is an abundant number, since it is smaller than the sum of its proper divisors (405746112).

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

256260624 is a wasteful number, since it uses less digits than its factorization.

256260624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338774 (or 5338768 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 256260624 is about 16008.1424281520. The cubic root of 256260624 is about 635.1758241702.

The spelling of 256260624 in words is "two hundred fifty-six million, two hundred sixty thousand, six hundred twenty-four".