44249485917 has 24 divisors (see below), whose sum is σ = 73911232416. Its totient is φ = 23340387168.

The previous prime is 44249485897. The next prime is 44249485921. The reversal of 44249485917 is 71958494244.

It is not a de Polignac number, because 44249485917 - 2²⁰ = 44248437341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44249485937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11575663 + ... + 11579484.

It is an arithmetic number, because the mean of its divisors is an integer number (3079634684).

Almost surely, 2^44249485917 is an apocalyptic number.

It is an amenable number.

44249485917 is a deficient number, since it is larger than the sum of its proper divisors (29661746499).

44249485917 is a wasteful number, since it uses less digits than its factorization.

44249485917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23155177 (or 23155170 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 44249485917 in words is "forty-four billion, two hundred forty-nine million, four hundred eighty-five thousand, nine hundred seventeen".