42444044 has 24 divisors (see below), whose sum is σ = 75963888. Its totient is φ = 20744640.

The previous prime is 42444041. The next prime is 42444071. The reversal of 42444044 is 44044424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42444041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47627 + ... + 48509.

It is an arithmetic number, because the mean of its divisors is an integer number (3165162).

Almost surely, 2^42444044 is an apocalyptic number.

It is an amenable number.

42444044 is a deficient number, since it is larger than the sum of its proper divisors (33519844).

42444044 is a wasteful number, since it uses less digits than its factorization.

42444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 42444044 is about 6514.9093623780. The cubic root of 42444044 is about 348.8233795140.

Adding to 42444044 its reverse (44044424), we get a palindrome (86488468).

The spelling of 42444044 in words is "forty-two million, four hundred forty-four thousand, forty-four".