44089591789440 has 384 divisors, whose sum is σ = 157765422578400. Its totient is φ = 11332439064576.

The previous prime is 44089591789433. The next prime is 44089591789457. The reversal of 44089591789440 is 4498719598044.

44089591789440 is a `hidden beast` number, since 4 + 4 + 0 + 8 + 9 + 5 + 9 + 178 + 9 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×44089591789440² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97827654 + ... + 98277306.

Almost surely, 2^{44089591789440} is an apocalyptic number.

44089591789440 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 44089591789440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78882711289200).

44089591789440 is an abundant number, since it is smaller than the sum of its proper divisors (113675830788960).

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

44089591789440 is a wasteful number, since it uses less digits than its factorization.

44089591789440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450294 (or 450279 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 72.

The spelling of 44089591789440 in words is "forty-four trillion, eighty-nine billion, five hundred ninety-one million, seven hundred eighty-nine thousand, four hundred forty".