44497538199 has 12 divisors (see below), whose sum is σ = 68055058656. Its totient is φ = 27920023872.

The previous prime is 44497538191. The next prime is 44497538219. The reversal of 44497538199 is 99183579444.

44497538199 is a `hidden beast` number, since 4 + 4 + 4 + 9 + 7 + 538 + 1 + 99 = 666.

It is not a de Polignac number, because 44497538199 - 2³ = 44497538191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44497538191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145416639 + ... + 145416944.

It is an arithmetic number, because the mean of its divisors is an integer number (5671254888).

Almost surely, 2^44497538199 is an apocalyptic number.

44497538199 is a deficient number, since it is larger than the sum of its proper divisors (23557520457).

44497538199 is a wasteful number, since it uses less digits than its factorization.

44497538199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290833606 (or 290833603 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 44497538199 in words is "forty-four billion, four hundred ninety-seven million, five hundred thirty-eight thousand, one hundred ninety-nine".