44357148864 has 126 divisors (see below), whose sum is σ = 147899690484. Its totient is φ = 12673463040.

The previous prime is 44357148821. The next prime is 44357148973. The reversal of 44357148864 is 46884175344.

44357148864 is a `hidden beast` number, since 4 + 4 + 3 + 571 + 4 + 8 + 8 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (126).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 44357148864.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 757582 + ... + 814029.

Almost surely, 2^44357148864 is an apocalyptic number.

It is an amenable number.

44357148864 is an abundant number, since it is smaller than the sum of its proper divisors (103542541620).

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

44357148864 is a wasteful number, since it uses less digits than its factorization.

44357148864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571643 (or 1571623 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 44357148864 in words is "forty-four billion, three hundred fifty-seven million, one hundred forty-eight thousand, eight hundred sixty-four".