204404402444 has 48 divisors (see below), whose sum is σ = 392692043520. Its totient is φ = 92324840640.

The previous prime is 204404402441. The next prime is 204404402473. The reversal of 204404402444 is 444204404402.

It is a self number, because there is not a number n which added to its sum of digits gives 204404402444.

It is not an unprimeable number, because it can be changed into a prime (204404402441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11750177 + ... + 11767559.

It is an arithmetic number, because the mean of its divisors is an integer number (8181084240).

Almost surely, 2^204404402444 is an apocalyptic number.

It is an amenable number.

204404402444 is a deficient number, since it is larger than the sum of its proper divisors (188287641076).

204404402444 is a wasteful number, since it uses less digits than its factorization.

204404402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19070 (or 19068 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 204404402444 its reverse (444204404402), we get a palindrome (648608806846).

The spelling of 204404402444 in words is "two hundred four billion, four hundred four million, four hundred two thousand, four hundred forty-four".