2056153856 has 72 divisors (see below), whose sum is σ = 4375795200. Its totient is φ = 961459200.

The previous prime is 2056153819. The next prime is 2056153867. The reversal of 2056153856 is 6583516502.

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, 381581 + ... + 386931.

Almost surely, 2^2056153856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2056153856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2187897600).

2056153856 is an abundant number, since it is smaller than the sum of its proper divisors (2319641344).

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

2056153856 is an equidigital number, since it uses as much as digits as its factorization.

2056153856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465 (or 5451 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 2056153856 is about 45344.8327375898. The cubic root of 2056153856 is about 1271.6039535438.

The spelling of 2056153856 in words is "two billion, fifty-six million, one hundred fifty-three thousand, eight hundred fifty-six".