256015892 has 12 divisors (see below), whose sum is σ = 488757696. Its totient is φ = 116370840.

The previous prime is 256015813. The next prime is 256015901. The reversal of 256015892 is 298510652.

256015892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 2909228 + ... + 2909315.

It is an arithmetic number, because the mean of its divisors is an integer number (40729808).

Almost surely, 2^256015892 is an apocalyptic number.

256015892 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

256015892 is a deficient number, since it is larger than the sum of its proper divisors (232741804).

256015892 is a wasteful number, since it uses less digits than its factorization.

256015892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818558 (or 5818556 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 256015892 is about 16000.4966172929. The cubic root of 256015892 is about 634.9735595662.

The spelling of 256015892 in words is "two hundred fifty-six million, fifteen thousand, eight hundred ninety-two".