44199038016 has 420 divisors, whose sum is σ = 153376920576. Its totient is φ = 12548390400.

The previous prime is 44199037999. The next prime is 44199038017. The reversal of 44199038016 is 61083099144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44199038017) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 48516601 + ... + 48517511.

Almost surely, 2^44199038016 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 44199038016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76688460288).

44199038016 is an abundant number, since it is smaller than the sum of its proper divisors (109177882560).

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

44199038016 is a wasteful number, since it uses less digits than its factorization.

44199038016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 44199038016 in words is "forty-four billion, one hundred ninety-nine million, thirty-eight thousand, sixteen".