244139118720 has 256 divisors, whose sum is σ = 913402656000. Its totient is φ = 54294921216.

The previous prime is 244139118679. The next prime is 244139118763. The reversal of 244139118720 is 27811931442.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 251806 + ... + 742754.

It is an arithmetic number, because the mean of its divisors is an integer number (3567979125).

Almost surely, 2^244139118720 is an apocalyptic number.

244139118720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244139118720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456701328000).

244139118720 is an abundant number, since it is smaller than the sum of its proper divisors (669263537280).

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

244139118720 is a wasteful number, since it uses less digits than its factorization.

244139118720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491015 (or 491003 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 244139118720 in words is "two hundred forty-four billion, one hundred thirty-nine million, one hundred eighteen thousand, seven hundred twenty".