42040604 has 12 divisors (see below), whose sum is σ = 76108200. Its totient is φ = 20295408.

The previous prime is 42040601. The next prime is 42040613. The reversal of 42040604 is 40604024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42040601) 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, 181094 + ... + 181325.

It is an arithmetic number, because the mean of its divisors is an integer number (6342350).

Almost surely, 2^42040604 is an apocalyptic number.

It is an amenable number.

42040604 is a deficient number, since it is larger than the sum of its proper divisors (34067596).

42040604 is a wasteful number, since it uses less digits than its factorization.

42040604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362452 (or 362450 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42040604 is about 6483.8726082489. The cubic root of 42040604 is about 347.7146447483.

Adding to 42040604 its reverse (40604024), we get a palindrome (82644628).

The spelling of 42040604 in words is "forty-two million, forty thousand, six hundred four".