40504 has 16 divisors (see below), whose sum is σ = 78120. Its totient is φ = 19680.

The previous prime is 40499. The next prime is 40507.

40504 is nontrivially palindromic in base 10 and base 11.

40504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40507) 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, 447 + ... + 529.

2⁴⁰⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

40504 is a deficient number, since it is larger than the sum of its proper divisors (37616).

40504 is a wasteful number, since it uses less digits than its factorization.

40504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 40504 is about 201.2560558095. The cubic root of 40504 is about 34.3425578213.

The spelling of 40504 in words is "forty thousand, five hundred four".