42044 has 12 divisors (see below), whose sum is σ = 76944. Its totient is φ = 20064.

The previous prime is 42043. The next prime is 42061. The reversal of 42044 is 44024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 320.

It is an arithmetic number, because the mean of its divisors is an integer number (6412).

2⁴²⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

42044 is a deficient number, since it is larger than the sum of its proper divisors (34900).

42044 is a wasteful number, since it uses less digits than its factorization.

42044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 42044 is about 205.0463362267. The cubic root of 42044 is about 34.7724007182.

Adding to 42044 its reverse (44024), we get a palindrome (86068).

It can be divided in two parts, 420 and 44, that added together give a palindrome (464).

The spelling of 42044 in words is "forty-two thousand, forty-four", and thus it is an eban number and an iban number.