42040204 has 12 divisors (see below), whose sum is σ = 74040064. Its totient is φ = 20885904.

The previous prime is 42040199. The next prime is 42040249. The reversal of 42040204 is 40204024.

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, 32844 + ... + 34099.

Almost surely, 2^42040204 is an apocalyptic number.

It is an amenable number.

42040204 is a deficient number, since it is larger than the sum of its proper divisors (31999860).

42040204 is a wasteful number, since it uses less digits than its factorization.

42040204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67104 (or 67102 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 42040204 is about 6483.8417624122. The cubic root of 42040204 is about 347.7135419549.

Adding to 42040204 its reverse (40204024), we get a palindrome (82244228).

It can be divided in two parts, 4204020 and 4, that added together give a palindrome (4204024).

The spelling of 42040204 in words is "forty-two million, forty thousand, two hundred four".