204010404 has 96 divisors (see below), whose sum is σ = 555730560. Its totient is φ = 57673728.

The previous prime is 204010363. The next prime is 204010441. The reversal of 204010404 is 404010402.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 113142 + ... + 114930.

It is an arithmetic number, because the mean of its divisors is an integer number (5788860).

Almost surely, 2^204010404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204010404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277865280).

204010404 is an abundant number, since it is smaller than the sum of its proper divisors (351720156).

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

204010404 is a wasteful number, since it uses less digits than its factorization.

204010404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 204010404 is about 14283.2210652920. The cubic root of 204010404 is about 588.6865390192.

Adding to 204010404 its reverse (404010402), we get a palindrome (608020806).

The spelling of 204010404 in words is "two hundred four million, ten thousand, four hundred four".