204444404400 has 60 divisors (see below), whose sum is σ = 654903579272. Its totient is φ = 54518507520.

The previous prime is 204444404377. The next prime is 204444404401. The reversal of 204444404400 is 4404444402.

204444404400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (204444404401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85183969 + ... + 85186368.

Almost surely, 2^204444404400 is an apocalyptic number.

204444404400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204444404400 is an abundant number, since it is smaller than the sum of its proper divisors (450459174872).

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

204444404400 is a wasteful number, since it uses less digits than its factorization.

204444404400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170370358 (or 170370347 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 204444404400 its reverse (4404444402), we get a palindrome (208848848802).

The spelling of 204444404400 in words is "two hundred four billion, four hundred forty-four million, four hundred four thousand, four hundred".