2639125408 has 24 divisors (see below), whose sum is σ = 5197808448. Its totient is φ = 1319047104.

The previous prime is 2639125397. The next prime is 2639125417. The reversal of 2639125408 is 8045219362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74985 + ... + 104407.

It is an arithmetic number, because the mean of its divisors is an integer number (216575352).

Almost surely, 2^2639125408 is an apocalyptic number.

It is an amenable number.

2639125408 is a deficient number, since it is larger than the sum of its proper divisors (2558683040).

2639125408 is a wasteful number, since it uses less digits than its factorization.

2639125408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32236 (or 32228 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2639125408 is about 51372.4187478067. The cubic root of 2639125408 is about 1381.9320079113.

The spelling of 2639125408 in words is "two billion, six hundred thirty-nine million, one hundred twenty-five thousand, four hundred eight".