256264382 has 16 divisors (see below), whose sum is σ = 420256512. Its totient is φ = 116229720.

The previous prime is 256264363. The next prime is 256264403. The reversal of 256264382 is 283462652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198 + ... + 22745.

It is an arithmetic number, because the mean of its divisors is an integer number (26266032).

Almost surely, 2^256264382 is an apocalyptic number.

256264382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

256264382 is a deficient number, since it is larger than the sum of its proper divisors (163992130).

256264382 is a wasteful number, since it uses less digits than its factorization.

256264382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25423.

The product of its digits is 138240, while the sum is 38.

The square root of 256264382 is about 16008.2598054879. The cubic root of 256264382 is about 635.1789290549.

The spelling of 256264382 in words is "two hundred fifty-six million, two hundred sixty-four thousand, three hundred eighty-two".