44440789536 has 768 divisors, whose sum is σ = 161594818560. Its totient is φ = 11695104000.

The previous prime is 44440789501. The next prime is 44440789553. The reversal of 44440789536 is 63598704444.

44440789536 is a `hidden beast` number, since 44 + 440 + 78 + 95 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 157034451 + ... + 157034733.

It is an arithmetic number, because the mean of its divisors is an integer number (210409920).

Almost surely, 2^44440789536 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 44440789536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80797409280).

44440789536 is an abundant number, since it is smaller than the sum of its proper divisors (117154029024).

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

44440789536 is a wasteful number, since it uses less digits than its factorization.

44440789536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 44440789536 in words is "forty-four billion, four hundred forty million, seven hundred eighty-nine thousand, five hundred thirty-six".