2856402792 has 112 divisors (see below), whose sum is σ = 8307346500. Its totient is φ = 919247616.

The previous prime is 2856402767. The next prime is 2856402793. The reversal of 2856402792 is 2972046582.

It can be written as a sum of positive squares in 2 ways, for example, as 2626152516 + 230250276 = 51246^2 + 15174^2 .

It is not an unprimeable number, because it can be changed into a prime (2856402793) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 160684 + ... + 177572.

Almost surely, 2^2856402792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2856402792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4153673250).

2856402792 is an abundant number, since it is smaller than the sum of its proper divisors (5450943708).

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

2856402792 is a wasteful number, since it uses less digits than its factorization.

2856402792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16942 (or 16923 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2856402792 is about 53445.3252586229. The cubic root of 2856402792 is about 1418.8608850385.

The spelling of 2856402792 in words is "two billion, eight hundred fifty-six million, four hundred two thousand, seven hundred ninety-two".