256075480 has 16 divisors (see below), whose sum is σ = 576169920. Its totient is φ = 102430176.

The previous prime is 256075433. The next prime is 256075493. The reversal of 256075480 is 84570652.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200904 + ... + 3200983.

It is an arithmetic number, because the mean of its divisors is an integer number (36010620).

Almost surely, 2^256075480 is an apocalyptic number.

256075480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256075480 is an abundant number, since it is smaller than the sum of its proper divisors (320094440).

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

256075480 is a wasteful number, since it uses less digits than its factorization.

256075480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401898 (or 6401894 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 256075480 is about 16002.3585761600. The cubic root of 256075480 is about 635.0228193589.

The spelling of 256075480 in words is "two hundred fifty-six million, seventy-five thousand, four hundred eighty".