256112356 has 6 divisors (see below), whose sum is σ = 448196630. Its totient is φ = 128056176.

The previous prime is 256112347. The next prime is 256112471. The reversal of 256112356 is 653211652.

It can be written as a sum of positive squares in only one way, i.e., 255488256 + 624100 = 15984^2 + 790^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32014041 + ... + 32014048.

Almost surely, 2^256112356 is an apocalyptic number.

It is an amenable number.

256112356 is a deficient number, since it is larger than the sum of its proper divisors (192084274).

256112356 is a wasteful number, since it uses less digits than its factorization.

256112356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64028093 (or 64028091 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 256112356 is about 16003.5107398346. The cubic root of 256112356 is about 635.0532999260.

The spelling of 256112356 in words is "two hundred fifty-six million, one hundred twelve thousand, three hundred fifty-six".