42043304 has 16 divisors (see below), whose sum is σ = 80008800. Its totient is φ = 20707632.

The previous prime is 42043303. The next prime is 42043319. The reversal of 42043304 is 40334024.

It is a happy number.

It is a super-2 number, since 2×42043304² = 3535278822472832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42043303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38684 + ... + 39755.

It is an arithmetic number, because the mean of its divisors is an integer number (5000550).

Almost surely, 2^42043304 is an apocalyptic number.

It is an amenable number.

42043304 is a deficient number, since it is larger than the sum of its proper divisors (37965496).

42043304 is a wasteful number, since it uses less digits than its factorization.

42043304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78512 (or 78508 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42043304 is about 6484.0808138085. The cubic root of 42043304 is about 347.7220884207.

Adding to 42043304 its reverse (40334024), we get a palindrome (82377328).

The spelling of 42043304 in words is "forty-two million, forty-three thousand, three hundred four".