42944049 has 12 divisors (see below), whose sum is σ = 62104900. Its totient is φ = 28594944.

The previous prime is 42944017. The next prime is 42944071. The reversal of 42944049 is 94044924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5489649 + 37454400 = 2343^2 + 6120^2 .

It is not a de Polignac number, because 42944049 - 2⁵ = 42944017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42944149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6717 + ... + 11445.

Almost surely, 2^42944049 is an apocalyptic number.

It is an amenable number.

42944049 is a deficient number, since it is larger than the sum of its proper divisors (19160851).

42944049 is a wasteful number, since it uses less digits than its factorization.

42944049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744 (or 5741 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 42944049 is about 6553.1709118563. The cubic root of 42944049 is about 350.1877876625.

The spelling of 42944049 in words is "forty-two million, nine hundred forty-four thousand, forty-nine".