244639888028 has 24 divisors (see below), whose sum is σ = 428607010944. Its totient is φ = 122180828400.

The previous prime is 244639888013. The next prime is 244639888049. The reversal of 244639888028 is 820888936442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13664963 + ... + 13682853.

It is an arithmetic number, because the mean of its divisors is an integer number (17858625456).

Almost surely, 2^244639888028 is an apocalyptic number.

It is an amenable number.

244639888028 is a deficient number, since it is larger than the sum of its proper divisors (183967122916).

244639888028 is a wasteful number, since it uses less digits than its factorization.

244639888028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21593 (or 21591 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 62.

The spelling of 244639888028 in words is "two hundred forty-four billion, six hundred thirty-nine million, eight hundred eighty-eight thousand, twenty-eight".