204411403400 has 48 divisors (see below), whose sum is σ = 503212786740. Its totient is φ = 76954880000.

The previous prime is 204411403397. The next prime is 204411403501. The reversal of 204411403400 is 4304114402.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 156424996036 + 47986407364 = 395506^2 + 219058^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30057101 + ... + 30063900.

Almost surely, 2^204411403400 is an apocalyptic number.

204411403400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204411403400 is an abundant number, since it is smaller than the sum of its proper divisors (298801383340).

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

204411403400 is a wasteful number, since it uses less digits than its factorization.

204411403400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60121034 (or 60121025 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 204411403400 its reverse (4304114402), we get a palindrome (208715517802).

The spelling of 204411403400 in words is "two hundred four billion, four hundred eleven million, four hundred three thousand, four hundred".