2638772230 has 32 divisors (see below), whose sum is σ = 4855002624. Its totient is φ = 1032167136.

The previous prime is 2638772219. The next prime is 2638772233. The reversal of 2638772230 is 322778362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638772233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940009 + ... + 942811.

It is an arithmetic number, because the mean of its divisors is an integer number (151718832).

Almost surely, 2^2638772230 is an apocalyptic number.

2638772230 is a deficient number, since it is larger than the sum of its proper divisors (2216230394).

2638772230 is a wasteful number, since it uses less digits than its factorization.

2638772230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 2638772230 is about 51368.9812046141. The cubic root of 2638772230 is about 1381.8703599938.

The spelling of 2638772230 in words is "two billion, six hundred thirty-eight million, seven hundred seventy-two thousand, two hundred thirty".