2056459956 has 24 divisors (see below), whose sum is σ = 4806514944. Its totient is φ = 684328320.

The previous prime is 2056459931. The next prime is 2056459973. The reversal of 2056459956 is 6599546502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2056459899 and 2056459908.

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, 137380 + ... + 151611.

It is an arithmetic number, because the mean of its divisors is an integer number (200271456).

Almost surely, 2^2056459956 is an apocalyptic number.

It is an amenable number.

2056459956 is an abundant number, since it is smaller than the sum of its proper divisors (2750054988).

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

2056459956 is a wasteful number, since it uses less digits than its factorization.

2056459956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289591 (or 289589 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 51.

The square root of 2056459956 is about 45348.2078587456. The cubic root of 2056459956 is about 1271.6670517170.

The spelling of 2056459956 in words is "two billion, fifty-six million, four hundred fifty-nine thousand, nine hundred fifty-six".