42544412 has 12 divisors (see below), whose sum is σ = 74865336. Its totient is φ = 21154320.

The previous prime is 42544393. The next prime is 42544451. The reversal of 42544412 is 21444524.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28658 + ... + 30105.

It is an arithmetic number, because the mean of its divisors is an integer number (6238778).

Almost surely, 2^42544412 is an apocalyptic number.

It is an amenable number.

42544412 is a deficient number, since it is larger than the sum of its proper divisors (32320924).

42544412 is a wasteful number, since it uses less digits than its factorization.

42544412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58948 (or 58946 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 42544412 is about 6522.6077607043. The cubic root of 42544412 is about 349.0981188421.

Adding to 42544412 its reverse (21444524), we get a palindrome (63988936).

The spelling of 42544412 in words is "forty-two million, five hundred forty-four thousand, four hundred twelve".