44616459864 has 128 divisors (see below), whose sum is σ = 116730072000. Its totient is φ = 14192984064.

The previous prime is 44616459857. The next prime is 44616459883. The reversal of 44616459864 is 46895461644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44750214 + ... + 44751210.

Almost surely, 2^44616459864 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 44616459864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58365036000).

44616459864 is an abundant number, since it is smaller than the sum of its proper divisors (72113612136).

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

44616459864 is a wasteful number, since it uses less digits than its factorization.

44616459864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1713 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The spelling of 44616459864 in words is "forty-four billion, six hundred sixteen million, four hundred fifty-nine thousand, eight hundred sixty-four".