42444504 has 24 divisors (see below), whose sum is σ = 114954060. Its totient is φ = 14148144.

The previous prime is 42444503. The next prime is 42444509. The reversal of 42444504 is 40544424.

It is a happy number.

42444504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294682 + ... + 294825.

Almost surely, 2^42444504 is an apocalyptic number.

It is an amenable number.

42444504 is an abundant number, since it is smaller than the sum of its proper divisors (72509556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42444504 is a wasteful number, since it uses less digits than its factorization.

42444504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589519 (or 589512 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 42444504 is about 6514.9446659200. The cubic root of 42444504 is about 348.8246396686.

Adding to 42444504 its reverse (40544424), we get a palindrome (82988928).

The spelling of 42444504 in words is "forty-two million, four hundred forty-four thousand, five hundred four".