2638044802 has 32 divisors (see below), whose sum is σ = 4228433280. Its totient is φ = 1230055680.

The previous prime is 2638044791. The next prime is 2638044821. The reversal of 2638044802 is 2084408362.

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 15 ways as a sum of consecutive naturals, for example, 1929123 + ... + 1930489.

It is an arithmetic number, because the mean of its divisors is an integer number (132138540).

Almost surely, 2^2638044802 is an apocalyptic number.

2638044802 is a deficient number, since it is larger than the sum of its proper divisors (1590388478).

2638044802 is a wasteful number, since it uses less digits than its factorization.

2638044802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 2638044802 is about 51361.9002958419. The cubic root of 2638044802 is about 1381.7433686651.

The spelling of 2638044802 in words is "two billion, six hundred thirty-eight million, forty-four thousand, eight hundred two".