42504304 has 20 divisors (see below), whose sum is σ = 83907576. Its totient is φ = 20850752.

The previous prime is 42504281. The next prime is 42504313. The reversal of 42504304 is 40340524.

It is a happy number.

It is a congruent 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, 24214 + ... + 25909.

Almost surely, 2^42504304 is an apocalyptic number.

It is an amenable number.

42504304 is a deficient number, since it is larger than the sum of its proper divisors (41403272).

42504304 is a wasteful number, since it uses less digits than its factorization.

42504304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50184 (or 50178 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42504304 is about 6519.5324985769. The cubic root of 42504304 is about 348.9883823031.

Adding to 42504304 its reverse (40340524), we get a palindrome (82844828).

The spelling of 42504304 in words is "forty-two million, five hundred four thousand, three hundred four".