42536444 has 12 divisors (see below), whose sum is σ = 75381600. Its totient is φ = 20998848.

The previous prime is 42536441. The next prime is 42536467. The reversal of 42536444 is 44463524.

42536444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42536444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42536441) 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 3 ways as a sum of consecutive naturals, for example, 66989 + ... + 67620.

It is an arithmetic number, because the mean of its divisors is an integer number (6281800).

Almost surely, 2^42536444 is an apocalyptic number.

It is an amenable number.

42536444 is a deficient number, since it is larger than the sum of its proper divisors (32845156).

42536444 is a wasteful number, since it uses less digits than its factorization.

42536444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134692 (or 134690 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 42536444 is about 6521.9969334553. The cubic root of 42536444 is about 349.0763236768.

Adding to 42536444 its sum of digits (32), we get a triangular number (42536476 = T₉₂₂₃).

Adding to 42536444 its reverse (44463524), we get a palindrome (86999968).

The spelling of 42536444 in words is "forty-two million, five hundred thirty-six thousand, four hundred forty-four".