244139944508 has 24 divisors (see below), whose sum is σ = 448061107200. Its totient is φ = 116175826800.

The previous prime is 244139944507. The next prime is 244139944571. The reversal of 244139944508 is 805449931442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 244139944508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244139944507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6649268 + ... + 6685883.

It is an arithmetic number, because the mean of its divisors is an integer number (18669212800).

Almost surely, 2^244139944508 is an apocalyptic number.

It is an amenable number.

244139944508 is a deficient number, since it is larger than the sum of its proper divisors (203921162692).

244139944508 is a wasteful number, since it uses less digits than its factorization.

244139944508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13335377 (or 13335375 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 244139944508 in words is "two hundred forty-four billion, one hundred thirty-nine million, nine hundred forty-four thousand, five hundred eight".