44172544539984 has 320 divisors, whose sum is σ = 136373528678400. Its totient is φ = 12311623779840.

The previous prime is 44172544539979. The next prime is 44172544539989. The reversal of 44172544539984 is 48993544527144.

It is an interprime number because it is at equal distance from previous prime (44172544539979) and next prime (44172544539989).

It is a super-2 number, since 2×44172544539984² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44172544539989) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113423674 + ... + 113812454.

It is an arithmetic number, because the mean of its divisors is an integer number (426167277120).

Almost surely, 2^{44172544539984} 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 44172544539984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68186764339200).

44172544539984 is an abundant number, since it is smaller than the sum of its proper divisors (92200984138416).

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

44172544539984 is a wasteful number, since it uses less digits than its factorization.

44172544539984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388983 (or 388963 counting only the distinct ones).

The product of its digits is 696729600, while the sum is 69.

The spelling of 44172544539984 in words is "forty-four trillion, one hundred seventy-two billion, five hundred forty-four million, five hundred thirty-nine thousand, nine hundred eighty-four".