40204 has 18 divisors (see below), whose sum is σ = 77420. Its totient is φ = 18216.

The previous prime is 40193. The next prime is 40213.

40204 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1737 + ... + 1759.

2⁴⁰²⁰⁴ is an apocalyptic number.

It is an amenable number.

40204 is a deficient number, since it is larger than the sum of its proper divisors (37216).

40204 is a wasteful number, since it uses less digits than its factorization.

40204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 40204 is about 200.5093514029. The cubic root of 40204 is about 34.2575595582.

The spelling of 40204 in words is "forty thousand, two hundred four", and thus it is an iban number.