44237438664 has 64 divisors (see below), whose sum is σ = 112512153600. Its totient is φ = 14490202176.

The previous prime is 44237438659. The next prime is 44237438669. The reversal of 44237438664 is 46683473244.

It is an interprime number because it is at equal distance from previous prime (44237438659) and next prime (44237438669).

It is not an unprimeable number, because it can be changed into a prime (44237438669) 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 15 ways as a sum of consecutive naturals, for example, 5125857 + ... + 5134479.

It is an arithmetic number, because the mean of its divisors is an integer number (1758002400).

Almost surely, 2^44237438664 is an apocalyptic number.

It is an amenable number.

44237438664 is an abundant number, since it is smaller than the sum of its proper divisors (68274714936).

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

44237438664 is a wasteful number, since it uses less digits than its factorization.

44237438664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12314 (or 12310 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 51.

The spelling of 44237438664 in words is "forty-four billion, two hundred thirty-seven million, four hundred thirty-eight thousand, six hundred sixty-four".