44442131 has 12 divisors (see below), whose sum is σ = 47700432. Its totient is φ = 41394048.

The previous prime is 44442077. The next prime is 44442133. The reversal of 44442131 is 13124444.

It is a happy number.

It is not a de Polignac number, because 44442131 - 2⁶ = 44442067 is a prime.

It is a super-3 number, since 3×44442131³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44442097 and 44442106.

It is not an unprimeable number, because it can be changed into a prime (44442133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29021 + ... + 30513.

It is an arithmetic number, because the mean of its divisors is an integer number (3975036).

Almost surely, 2^44442131 is an apocalyptic number.

44442131 is a deficient number, since it is larger than the sum of its proper divisors (3258301).

44442131 is a wasteful number, since it uses less digits than its factorization.

44442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1613 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 44442131 is about 6666.4931560754. The cubic root of 44442131 is about 354.2133769503.

Adding to 44442131 its reverse (13124444), we get a palindrome (57566575).

The spelling of 44442131 in words is "forty-four million, four hundred forty-two thousand, one hundred thirty-one".