44189542631 has 8 divisors (see below), whose sum is σ = 48874920864. Its totient is φ = 39687904800.

The previous prime is 44189542601. The next prime is 44189542651. The reversal of 44189542631 is 13624598144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44189542631 is a prime.

It is a super-2 number, since 2×44189542631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44189542601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45934595 + ... + 45935556.

It is an arithmetic number, because the mean of its divisors is an integer number (6109365108).

Almost surely, 2^44189542631 is an apocalyptic number.

44189542631 is a deficient number, since it is larger than the sum of its proper divisors (4685378233).

44189542631 is a wasteful number, since it uses less digits than its factorization.

44189542631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91870201.

The product of its digits is 829440, while the sum is 47.

The spelling of 44189542631 in words is "forty-four billion, one hundred eighty-nine million, five hundred forty-two thousand, six hundred thirty-one".