204312444 has 72 divisors (see below), whose sum is σ = 563197824. Its totient is φ = 56469600.

The previous prime is 204312391. The next prime is 204312463. The reversal of 204312444 is 444213402.

It is a happy number.

204312444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79459 + ... + 81989.

It is an arithmetic number, because the mean of its divisors is an integer number (7822192).

Almost surely, 2^204312444 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 204312444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281598912).

204312444 is an abundant number, since it is smaller than the sum of its proper divisors (358885380).

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

204312444 is a wasteful number, since it uses less digits than its factorization.

204312444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 204312444 is about 14293.7904000304. The cubic root of 204312444 is about 588.9769150694.

Adding to 204312444 its reverse (444213402), we get a palindrome (648525846).

The spelling of 204312444 in words is "two hundred four million, three hundred twelve thousand, four hundred forty-four".