44138842 has 16 divisors (see below), whose sum is σ = 72497952. Its totient is φ = 19987920.

The previous prime is 44138839. The next prime is 44138867. The reversal of 44138842 is 24883144.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44138798 and 44138807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2473 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (4531122).

Almost surely, 2^44138842 is an apocalyptic number.

44138842 is a deficient number, since it is larger than the sum of its proper divisors (28359110).

44138842 is a wasteful number, since it uses less digits than its factorization.

44138842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7533.

The product of its digits is 24576, while the sum is 34.

The square root of 44138842 is about 6643.7069471794. The cubic root of 44138842 is about 353.4057774403.

The spelling of 44138842 in words is "forty-four million, one hundred thirty-eight thousand, eight hundred forty-two".