256234544 has 10 divisors (see below), whose sum is σ = 496454460. Its totient is φ = 128117264.

The previous prime is 256234507. The next prime is 256234567. The reversal of 256234544 is 445432652.

It is a super-2 number, since 2×256234544² = 131312283077775872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8007314 + ... + 8007345.

It is an arithmetic number, because the mean of its divisors is an integer number (49645446).

Almost surely, 2^256234544 is an apocalyptic number.

It is an amenable number.

256234544 is a deficient number, since it is larger than the sum of its proper divisors (240219916).

256234544 is a wasteful number, since it uses less digits than its factorization.

256234544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16014667 (or 16014661 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 256234544 is about 16007.3278219695. The cubic root of 256234544 is about 635.1542758636.

The spelling of 256234544 in words is "two hundred fifty-six million, two hundred thirty-four thousand, five hundred forty-four".