2688094880 has 24 divisors (see below), whose sum is σ = 6350624532. Its totient is φ = 1075237888.

The previous prime is 2688094867. The next prime is 2688094891. The reversal of 2688094880 is 884908862.

It can be written as a sum of positive squares in 2 ways, for example, as 2672062864 + 16032016 = 51692^2 + 4004^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8400137 + ... + 8400456.

Almost surely, 2^2688094880 is an apocalyptic number.

2688094880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2688094880 is an abundant number, since it is smaller than the sum of its proper divisors (3662529652).

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

2688094880 is a wasteful number, since it uses less digits than its factorization.

2688094880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16800608 (or 16800600 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The square root of 2688094880 is about 51846.8405980538. The cubic root of 2688094880 is about 1390.4270171573.

The spelling of 2688094880 in words is "two billion, six hundred eighty-eight million, ninety-four thousand, eight hundred eighty".