44535539472 has 160 divisors (see below), whose sum is σ = 122988378240. Its totient is φ = 13838376960.

The previous prime is 44535539467. The next prime is 44535539501. The reversal of 44535539472 is 27493553544.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 54913947 + ... + 54914757.

It is an arithmetic number, because the mean of its divisors is an integer number (768677364).

Almost surely, 2^44535539472 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 44535539472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61494189120).

44535539472 is an abundant number, since it is smaller than the sum of its proper divisors (78452838768).

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

44535539472 is a wasteful number, since it uses less digits than its factorization.

44535539472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1395 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 51.

The spelling of 44535539472 in words is "forty-four billion, five hundred thirty-five million, five hundred thirty-nine thousand, four hundred seventy-two".