256308116 has 12 divisors (see below), whose sum is σ = 474923988. Its totient is φ = 120615552.

The previous prime is 256308103. The next prime is 256308137. The reversal of 256308116 is 611803652.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115648516 + 140659600 = 10754^2 + 11860^2 .

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, 1884551 + ... + 1884686.

It is an arithmetic number, because the mean of its divisors is an integer number (39576999).

Almost surely, 2^256308116 is an apocalyptic number.

It is an amenable number.

256308116 is a deficient number, since it is larger than the sum of its proper divisors (218615872).

256308116 is a wasteful number, since it uses less digits than its factorization.

256308116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769258 (or 3769256 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 256308116 is about 16009.6257295416. The cubic root of 256308116 is about 635.2150601460.

The spelling of 256308116 in words is "two hundred fifty-six million, three hundred eight thousand, one hundred sixteen".