244399039872 has 512 divisors, whose sum is σ = 749364134400. Its totient is φ = 70044549120.

The previous prime is 244399039823. The next prime is 244399039873. The reversal of 244399039872 is 278930993442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244399039873) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 446798703 + ... + 446799249.

It is an arithmetic number, because the mean of its divisors is an integer number (1463601825).

Almost surely, 2^244399039872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244399039872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374682067200).

244399039872 is an abundant number, since it is smaller than the sum of its proper divisors (504965094528).

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

244399039872 is a wasteful number, since it uses less digits than its factorization.

244399039872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 244399039872 in words is "two hundred forty-four billion, three hundred ninety-nine million, thirty-nine thousand, eight hundred seventy-two".