204410140 has 36 divisors (see below), whose sum is σ = 471838248. Its totient is φ = 74330080.

The previous prime is 204410123. The next prime is 204410149. The reversal of 204410140 is 41014402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204410149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39814 + ... + 44653.

It is an arithmetic number, because the mean of its divisors is an integer number (13106618).

Almost surely, 2^204410140 is an apocalyptic number.

204410140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204410140 is an abundant number, since it is smaller than the sum of its proper divisors (267428108).

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

204410140 is a wasteful number, since it uses less digits than its factorization.

204410140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84498 (or 84485 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 204410140 is about 14297.2074196327. The cubic root of 204410140 is about 589.0707770626.

Adding to 204410140 its reverse (41014402), we get a palindrome (245424542).

The spelling of 204410140 in words is "two hundred four million, four hundred ten thousand, one hundred forty".