42004304 has 20 divisors (see below), whose sum is σ = 81545376. Its totient is φ = 20960352.

The previous prime is 42004301. The next prime is 42004309. The reversal of 42004304 is 40340024.

42004304 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42004301) by changing a digit.

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, 6677 + ... + 11339.

Almost surely, 2^42004304 is an apocalyptic number.

It is an amenable number.

42004304 is a deficient number, since it is larger than the sum of its proper divisors (39541072).

42004304 is a wasteful number, since it uses less digits than its factorization.

42004304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234 (or 5228 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 42004304 is about 6481.0727507103. The cubic root of 42004304 is about 347.6145377487.

Adding to 42004304 its reverse (40340024), we get a palindrome (82344328).

The spelling of 42004304 in words is "forty-two million, four thousand, three hundred four".