44126942639 has 4 divisors (see below), whose sum is σ = 47521322856. Its totient is φ = 40732562424.

The previous prime is 44126942611. The next prime is 44126942719. The reversal of 44126942639 is 93624962144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44126942639 - 2¹⁶ = 44126877103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44126902639) 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, 1697190089 + ... + 1697190114.

It is an arithmetic number, because the mean of its divisors is an integer number (11880330714).

Almost surely, 2^44126942639 is an apocalyptic number.

44126942639 is a deficient number, since it is larger than the sum of its proper divisors (3394380217).

44126942639 is a wasteful number, since it uses less digits than its factorization.

44126942639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394380216.

The product of its digits is 2239488, while the sum is 50.

The spelling of 44126942639 in words is "forty-four billion, one hundred twenty-six million, nine hundred forty-two thousand, six hundred thirty-nine".