40518204 has 24 divisors (see below), whose sum is σ = 94679760. Its totient is φ = 13486464.

The previous prime is 40518197. The next prime is 40518211. The reversal of 40518204 is 40281504.

It is an interprime number because it is at equal distance from previous prime (40518197) and next prime (40518211).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7912 + ... + 11984.

It is an arithmetic number, because the mean of its divisors is an integer number (3944990).

Almost surely, 2^40518204 is an apocalyptic number.

It is an amenable number.

40518204 is an abundant number, since it is smaller than the sum of its proper divisors (54161556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40518204 is a wasteful number, since it uses less digits than its factorization.

40518204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909 (or 4907 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 40518204 is about 6365.3911113144. The cubic root of 40518204 is about 343.4657178443.

Adding to 40518204 its reverse (40281504), we get a palindrome (80799708).

The spelling of 40518204 in words is "forty million, five hundred eighteen thousand, two hundred four".