2056107858 has 16 divisors (see below), whose sum is σ = 4699675200. Its totient is φ = 587459376.

The previous prime is 2056107787. The next prime is 2056107881. The reversal of 2056107858 is 8587016502.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 48954949 = 2056107858 / (2 + 0 + 5 + 6 + 1 + 0 + 7 + 8 + 5 + 8).

It is a Curzon 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, 24477433 + ... + 24477516.

It is an arithmetic number, because the mean of its divisors is an integer number (293729700).

Almost surely, 2^2056107858 is an apocalyptic number.

2056107858 is an abundant number, since it is smaller than the sum of its proper divisors (2643567342).

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

2056107858 is a wasteful number, since it uses less digits than its factorization.

2056107858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48954961.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 2056107858 is about 45344.3255325294. The cubic root of 2056107858 is about 1271.5944711673.

The spelling of 2056107858 in words is "two billion, fifty-six million, one hundred seven thousand, eight hundred fifty-eight".