44568441728 has 64 divisors (see below), whose sum is σ = 92756776320. Its totient is φ = 21290565120.

The previous prime is 44568441719. The next prime is 44568441733. The reversal of 44568441728 is 82714486544.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 44568441728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2661863 + ... + 2678553.

It is an arithmetic number, because the mean of its divisors is an integer number (1449324630).

Almost surely, 2^44568441728 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 44568441728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46378388160).

44568441728 is an abundant number, since it is smaller than the sum of its proper divisors (48188334592).

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

44568441728 is a wasteful number, since it uses less digits than its factorization.

44568441728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17635 (or 17623 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 53.

The spelling of 44568441728 in words is "forty-four billion, five hundred sixty-eight million, four hundred forty-one thousand, seven hundred twenty-eight".