2638554328 has 16 divisors (see below), whose sum is σ = 5117886000. Its totient is φ = 1273784736.

The previous prime is 2638554293. The next prime is 2638554349. The reversal of 2638554328 is 8234558362.

It is a congruent number.

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, 5686308 + ... + 5686771.

It is an arithmetic number, because the mean of its divisors is an integer number (319867875).

Almost surely, 2^2638554328 is an apocalyptic number.

It is an amenable number.

2638554328 is a deficient number, since it is larger than the sum of its proper divisors (2479331672).

2638554328 is a wasteful number, since it uses less digits than its factorization.

2638554328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11373114 (or 11373110 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The square root of 2638554328 is about 51366.8602116189. The cubic root of 2638554328 is about 1381.8323220254.

The spelling of 2638554328 in words is "two billion, six hundred thirty-eight million, five hundred fifty-four thousand, three hundred twenty-eight".