42404044 has 6 divisors (see below), whose sum is σ = 74207084. Its totient is φ = 21202020.

The previous prime is 42404039. The next prime is 42404083. The reversal of 42404044 is 44040424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5300502 + ... + 5300509.

Almost surely, 2^42404044 is an apocalyptic number.

It is an amenable number.

42404044 is a deficient number, since it is larger than the sum of its proper divisors (31803040).

42404044 is a wasteful number, since it uses less digits than its factorization.

42404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601015 (or 10601013 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 42404044 is about 6511.8387572175. The cubic root of 42404044 is about 348.7137660141.

Adding to 42404044 its reverse (44040424), we get a palindrome (86444468).

The spelling of 42404044 in words is "forty-two million, four hundred four thousand, forty-four".