42443044 has 12 divisors (see below), whose sum is σ = 84886144. Its totient is φ = 18189864.

The previous prime is 42443039. The next prime is 42443069. The reversal of 42443044 is 44034424.

42443044 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757884 + ... + 757939.

Almost surely, 2^42443044 is an apocalyptic number.

It is an amenable number.

42443044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42443044 is a wasteful number, since it uses less digits than its factorization.

42443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515834 (or 1515832 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 42443044 is about 6514.8326148874. The cubic root of 42443044 is about 348.8206400160.

Adding to 42443044 its reverse (44034424), we get a palindrome (86477468).

The spelling of 42443044 in words is "forty-two million, four hundred forty-three thousand, forty-four".