44545639884 has 48 divisors (see below), whose sum is σ = 106436402688. Its totient is φ = 14493590208.

The previous prime is 44545639883. The next prime is 44545639889. The reversal of 44545639884 is 48893654544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (44545639883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104499 + ... + 316245.

It is an arithmetic number, because the mean of its divisors is an integer number (2217425056).

Almost surely, 2^44545639884 is an apocalyptic number.

It is an amenable number.

44545639884 is an abundant number, since it is smaller than the sum of its proper divisors (61890762804).

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

44545639884 is a wasteful number, since it uses less digits than its factorization.

44545639884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212174 (or 212172 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 60.

The spelling of 44545639884 in words is "forty-four billion, five hundred forty-five million, six hundred thirty-nine thousand, eight hundred eighty-four".