44867396728 has 128 divisors (see below), whose sum is σ = 107881574400. Its totient is φ = 16982784000.

The previous prime is 44867396701. The next prime is 44867396747. The reversal of 44867396728 is 82769376844.

It is a self number, because there is not a number n which added to its sum of digits gives 44867396728.

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, 22996153 + ... + 22998103.

It is an arithmetic number, because the mean of its divisors is an integer number (842824800).

Almost surely, 2^44867396728 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 44867396728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53940787200).

44867396728 is an abundant number, since it is smaller than the sum of its proper divisors (63014177672).

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

44867396728 is a wasteful number, since it uses less digits than its factorization.

44867396728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021 (or 3017 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 64.

The spelling of 44867396728 in words is "forty-four billion, eight hundred sixty-seven million, three hundred ninety-six thousand, seven hundred twenty-eight".