2856770406 has 96 divisors (see below), whose sum is σ = 7515713088. Its totient is φ = 765573120.

The previous prime is 2856770381. The next prime is 2856770419. The reversal of 2856770406 is 6040776582.

It is a super-2 number, since 2×2856770406² = 16322274305194809672, which contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 668316 + ... + 672576.

It is an arithmetic number, because the mean of its divisors is an integer number (78288678).

Almost surely, 2^2856770406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2856770406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3757856544).

2856770406 is an abundant number, since it is smaller than the sum of its proper divisors (4658942682).

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

2856770406 is a wasteful number, since it uses less digits than its factorization.

2856770406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4603 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 2856770406 is about 53448.7643075123. The cubic root of 2856770406 is about 1418.9217507251.

The spelling of 2856770406 in words is "two billion, eight hundred fifty-six million, seven hundred seventy thousand, four hundred six".