44136534172 has 12 divisors (see below), whose sum is σ = 81782401680. Its totient is φ = 20770133696.

The previous prime is 44136534151. The next prime is 44136534179. The reversal of 44136534172 is 27143563144.

It is a super-2 number, since 2×44136534172² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44136534179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324533272 + ... + 324533407.

It is an arithmetic number, because the mean of its divisors is an integer number (6815200140).

Almost surely, 2^44136534172 is an apocalyptic number.

It is an amenable number.

44136534172 is a deficient number, since it is larger than the sum of its proper divisors (37645867508).

44136534172 is a wasteful number, since it uses less digits than its factorization.

44136534172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649066700 (or 649066698 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 44136534172 in words is "forty-four billion, one hundred thirty-six million, five hundred thirty-four thousand, one hundred seventy-two".