42436444 has 12 divisors (see below), whose sum is σ = 74371024. Its totient is φ = 21187584.

The previous prime is 42436439. The next prime is 42436451. The reversal of 42436444 is 44463424.

It is a happy number.

42436444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 4389 + ... + 10204.

Almost surely, 2^42436444 is an apocalyptic number.

It is an amenable number.

42436444 is a deficient number, since it is larger than the sum of its proper divisors (31934580).

42436444 is a wasteful number, since it uses less digits than its factorization.

42436444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324 (or 15322 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

The square root of 42436444 is about 6514.3260587723. The cubic root of 42436444 is about 348.8025582500.

Adding to 42436444 its reverse (44463424), we get a palindrome (86899868).

The spelling of 42436444 in words is "forty-two million, four hundred thirty-six thousand, four hundred forty-four".