44664242072464 has 240 divisors, whose sum is σ = 106411334238720. Its totient is φ = 18071091118080.

The previous prime is 44664242072423. The next prime is 44664242072479. The reversal of 44664242072464 is 46427024246644.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6041419552 + ... + 6041426944.

It is an arithmetic number, because the mean of its divisors is an integer number (443380559328).

Almost surely, 2^{44664242072464} 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 44664242072464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53205667119360).

44664242072464 is an abundant number, since it is smaller than the sum of its proper divisors (61747092166256).

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

44664242072464 is a wasteful number, since it uses less digits than its factorization.

44664242072464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758 (or 11745 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 55.

The spelling of 44664242072464 in words is "forty-four trillion, six hundred sixty-four billion, two hundred forty-two million, seventy-two thousand, four hundred sixty-four".