44538866372 has 144 divisors (see below), whose sum is σ = 111417731712. Its totient is φ = 15075440640.

The previous prime is 44538866371. The next prime is 44538866443. The reversal of 44538866372 is 27366883544.

44538866372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (44538866371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 859718 + ... + 910050.

It is an arithmetic number, because the mean of its divisors is an integer number (773734248).

Almost surely, 2^44538866372 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 44538866372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55708865856).

44538866372 is an abundant number, since it is smaller than the sum of its proper divisors (66878865340).

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

44538866372 is a wasteful number, since it uses less digits than its factorization.

44538866372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50398 (or 50383 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 56.

The spelling of 44538866372 in words is "forty-four billion, five hundred thirty-eight million, eight hundred sixty-six thousand, three hundred seventy-two".