44042131 has 6 divisors (see below), whose sum is σ = 51232740. Its totient is φ = 37750356.

The previous prime is 44042123. The next prime is 44042137. The reversal of 44042131 is 13124044.

It is not a de Polignac number, because 44042131 - 2³ = 44042123 is a prime.

It is a super-2 number, since 2×44042131² = 3879418606042322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44042099 and 44042108.

It is not an unprimeable number, because it can be changed into a prime (44042137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449361 + ... + 449458.

It is an arithmetic number, because the mean of its divisors is an integer number (8538790).

Almost surely, 2^44042131 is an apocalyptic number.

44042131 is a deficient number, since it is larger than the sum of its proper divisors (7190609).

44042131 is an equidigital number, since it uses as much as digits as its factorization.

44042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898833 (or 898826 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 44042131 is about 6636.4245644775. The cubic root of 44042131 is about 353.1474772128.

Adding to 44042131 its reverse (13124044), we get a palindrome (57166175).

The spelling of 44042131 in words is "forty-four million, forty-two thousand, one hundred thirty-one".