256303038312 has 24 divisors (see below), whose sum is σ = 694154062290. Its totient is φ = 85434346080.

The previous prime is 256303038311. The next prime is 256303038337. The reversal of 256303038312 is 213830303652.

256303038312 is a `hidden beast` number, since 2 + 5 + 6 + 30 + 303 + 8 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 231328293156 + 24974745156 = 480966^2 + 158034^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (256303038311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1779882139 + ... + 1779882282.

Almost surely, 2^256303038312 is an apocalyptic number.

It is an amenable number.

256303038312 is an abundant number, since it is smaller than the sum of its proper divisors (437851023978).

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

256303038312 is a wasteful number, since it uses less digits than its factorization.

256303038312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559764433 (or 3559764426 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 256303038312 in words is "two hundred fifty-six billion, three hundred three million, thirty-eight thousand, three hundred twelve".