2638534488 has 32 divisors (see below), whose sum is σ = 6598417200. Its totient is φ = 879234048.

The previous prime is 2638534399. The next prime is 2638534511. The reversal of 2638534488 is 8844358362.

2638534488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2638534488.

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, 69120 + ... + 100272.

Almost surely, 2^2638534488 is an apocalyptic number.

It is an amenable number.

2638534488 is an abundant number, since it is smaller than the sum of its proper divisors (3959882712).

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

2638534488 is a wasteful number, since it uses less digits than its factorization.

2638534488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34691 (or 34687 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 51.

The square root of 2638534488 is about 51366.6670906338. The cubic root of 2638534488 is about 1381.8288585604.

The spelling of 2638534488 in words is "two billion, six hundred thirty-eight million, five hundred thirty-four thousand, four hundred eighty-eight".