44240866320 has 320 divisors, whose sum is σ = 165749391360. Its totient is φ = 9546854400.

The previous prime is 44240866309. The next prime is 44240866333. The reversal of 44240866320 is 2366804244.

It is a super-2 number, since 2×44240866320² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2124921 + ... + 2145639.

It is an arithmetic number, because the mean of its divisors is an integer number (517966848).

Almost surely, 2^44240866320 is an apocalyptic number.

44240866320 is a gapful number since it is divisible by the number (40) 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 44240866320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82874695680).

44240866320 is an abundant number, since it is smaller than the sum of its proper divisors (121508525040).

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

44240866320 is a wasteful number, since it uses less digits than its factorization.

44240866320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20814 (or 20808 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 44240866320 in words is "forty-four billion, two hundred forty million, eight hundred sixty-six thousand, three hundred twenty".