2056380306 has 16 divisors (see below), whose sum is σ = 4122049824. Its totient is φ = 683911904.

The previous prime is 2056380283. The next prime is 2056380311. The reversal of 2056380306 is 6030836502.

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, 384171 + ... + 389486.

It is an arithmetic number, because the mean of its divisors is an integer number (257628114).

Almost surely, 2^2056380306 is an apocalyptic number.

2056380306 is an abundant number, since it is smaller than the sum of its proper divisors (2065669518).

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

2056380306 is a wasteful number, since it uses less digits than its factorization.

2056380306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774105.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2056380306 is about 45347.3296457465. The cubic root of 2056380306 is about 1271.6506336020.

The spelling of 2056380306 in words is "two billion, fifty-six million, three hundred eighty thousand, three hundred six".