2056947256 has 32 divisors (see below), whose sum is σ = 4746803040. Its totient is φ = 813737088.

The previous prime is 2056947241. The next prime is 2056947301. The reversal of 2056947256 is 6527496502.

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, 1412011 + ... + 1413466.

It is an arithmetic number, because the mean of its divisors is an integer number (148337595).

Almost surely, 2^2056947256 is an apocalyptic number.

2056947256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2056947256 is an abundant number, since it is smaller than the sum of its proper divisors (2689855784).

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

2056947256 is a wasteful number, since it uses less digits than its factorization.

2056947256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825503 (or 2825499 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 2056947256 is about 45353.5804099302. The cubic root of 2056947256 is about 1271.7674887832.

The spelling of 2056947256 in words is "two billion, fifty-six million, nine hundred forty-seven thousand, two hundred fifty-six".