2796289940 has 24 divisors (see below), whose sum is σ = 5873388360. Its totient is φ = 1118291328.

The previous prime is 2796289933. The next prime is 2796289961. The reversal of 2796289940 is 499826972.

It can be written as a sum of positive squares in 4 ways, for example, as 470542864 + 2325747076 = 21692^2 + 48226^2 .

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, 118574 + ... + 140186.

It is an arithmetic number, because the mean of its divisors is an integer number (244724515).

Almost surely, 2^2796289940 is an apocalyptic number.

2796289940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2796289940 is an abundant number, since it is smaller than the sum of its proper divisors (3077098420).

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

2796289940 is a wasteful number, since it uses less digits than its factorization.

2796289940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28091 (or 28089 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 2796289940 is about 52879.9578290301. The cubic root of 2796289940 is about 1408.8369498034.

The spelling of 2796289940 in words is "two billion, seven hundred ninety-six million, two hundred eighty-nine thousand, nine hundred forty".