2856452622858 has 96 divisors (see below), whose sum is σ = 6672154686912. Its totient is φ = 879904166400.

The previous prime is 2856452622839. The next prime is 2856452622883. The reversal of 2856452622858 is 8582262546582.

2856452622858 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 4 + 526 + 22 + 85 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2856452622795 and 2856452622804.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10524285 + ... + 10792287.

It is an arithmetic number, because the mean of its divisors is an integer number (69501611322).

Almost surely, 2^{2856452622858} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2856452622858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336077343456).

2856452622858 is an abundant number, since it is smaller than the sum of its proper divisors (3815702064054).

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

2856452622858 is a wasteful number, since it uses less digits than its factorization.

2856452622858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268660 (or 268657 counting only the distinct ones).

The product of its digits is 147456000, while the sum is 63.

The spelling of 2856452622858 in words is "two trillion, eight hundred fifty-six billion, four hundred fifty-two million, six hundred twenty-two thousand, eight hundred fifty-eight".