2796138456 has 32 divisors (see below), whose sum is σ = 7040644800. Its totient is φ = 925339680.

The previous prime is 2796138431. The next prime is 2796138463. The reversal of 2796138456 is 6548316972.

It is a junction number, because it is equal to n+sod(n) for n = 2796138399 and 2796138408.

It is a congruent 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, 415750 + ... + 422421.

It is an arithmetic number, because the mean of its divisors is an integer number (220020150).

Almost surely, 2^2796138456 is an apocalyptic number.

It is an amenable number.

2796138456 is an abundant number, since it is smaller than the sum of its proper divisors (4244506344).

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

2796138456 is a wasteful number, since it uses less digits than its factorization.

2796138456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838319 (or 838315 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 2796138456 is about 52878.5254711211. The cubic root of 2796138456 is about 1408.8115089377.

The spelling of 2796138456 in words is "two billion, seven hundred ninety-six million, one hundred thirty-eight thousand, four hundred fifty-six".