2688240028 has 24 divisors (see below), whose sum is σ = 4869128880. Its totient is φ = 1297107840.

The previous prime is 2688240017. The next prime is 2688240089. The reversal of 2688240028 is 8200428862.

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, 282183 + ... + 291553.

It is an arithmetic number, because the mean of its divisors is an integer number (202880370).

Almost surely, 2^2688240028 is an apocalyptic number.

It is an amenable number.

2688240028 is a deficient number, since it is larger than the sum of its proper divisors (2180888852).

2688240028 is a wasteful number, since it uses less digits than its factorization.

2688240028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877 (or 11875 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 2688240028 is about 51848.2403558694. The cubic root of 2688240028 is about 1390.4520428202.

The spelling of 2688240028 in words is "two billion, six hundred eighty-eight million, two hundred forty thousand, twenty-eight".