2056805844 has 24 divisors (see below), whose sum is σ = 4880557920. Its totient is φ = 673981344.

The previous prime is 2056805833. The next prime is 2056805893. The reversal of 2056805844 is 4485086502.

It is a junction number, because it is equal to n+sod(n) for n = 2056805796 and 2056805805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1451839 + ... + 1453254.

It is an arithmetic number, because the mean of its divisors is an integer number (203356580).

Almost surely, 2^2056805844 is an apocalyptic number.

It is an amenable number.

2056805844 is an abundant number, since it is smaller than the sum of its proper divisors (2823752076).

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

2056805844 is a wasteful number, since it uses less digits than its factorization.

2056805844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905159 (or 2905157 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 2056805844 is about 45352.0213882469. The cubic root of 2056805844 is about 1271.7383440875.

The spelling of 2056805844 in words is "two billion, fifty-six million, eight hundred five thousand, eight hundred forty-four".