256568246 has 16 divisors (see below), whose sum is σ = 420091920. Its totient is φ = 116551680.

The previous prime is 256568239. The next prime is 256568261. The reversal of 256568246 is 642865652.

It is a junction number, because it is equal to n+sod(n) for n = 256568197 and 256568206.

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, 56990 + ... + 61326.

It is an arithmetic number, because the mean of its divisors is an integer number (26255745).

Almost surely, 2^256568246 is an apocalyptic number.

256568246 is a deficient number, since it is larger than the sum of its proper divisors (163523674).

256568246 is a wasteful number, since it uses less digits than its factorization.

256568246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039.

The product of its digits is 691200, while the sum is 44.

The square root of 256568246 is about 16017.7478441883. The cubic root of 256568246 is about 635.4298831318.

The spelling of 256568246 in words is "two hundred fifty-six million, five hundred sixty-eight thousand, two hundred forty-six".