2642872338 has 24 divisors (see below), whose sum is σ = 5769940176. Its totient is φ = 874231800.

The previous prime is 2642872303. The next prime is 2642872367. The reversal of 2642872338 is 8332782462.

It is a junction number, because it is equal to n+sod(n) for n = 2642872293 and 2642872302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558048 + ... + 562763.

It is an arithmetic number, because the mean of its divisors is an integer number (240414174).

Almost surely, 2^2642872338 is an apocalyptic number.

2642872338 is an abundant number, since it is smaller than the sum of its proper divisors (3127067838).

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

2642872338 is a wasteful number, since it uses less digits than its factorization.

2642872338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120950 (or 1120947 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 2642872338 is about 51408.8741172183. The cubic root of 2642872338 is about 1382.5857035009.

The spelling of 2642872338 in words is "two billion, six hundred forty-two million, eight hundred seventy-two thousand, three hundred thirty-eight".