44432891320 has 128 divisors (see below), whose sum is σ = 107579404800. Its totient is φ = 16477187584.

The previous prime is 44432891311. The next prime is 44432891323. The reversal of 44432891320 is 2319823444.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44432891323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4041591 + ... + 4052569.

It is an arithmetic number, because the mean of its divisors is an integer number (840464100).

Almost surely, 2^44432891320 is an apocalyptic number.

44432891320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44432891320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53789702400).

44432891320 is an abundant number, since it is smaller than the sum of its proper divisors (63146513480).

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

44432891320 is a wasteful number, since it uses less digits than its factorization.

44432891320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149 (or 11145 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 44432891320 in words is "forty-four billion, four hundred thirty-two million, eight hundred ninety-one thousand, three hundred twenty".