204404413401 has 12 divisors (see below), whose sum is σ = 295260034212. Its totient is φ = 136265355936.

The previous prime is 204404413333. The next prime is 204404413439. The reversal of 204404413401 is 104314404402.

204404413401 is a `hidden beast` number, since 204 + 4 + 0 + 4 + 413 + 40 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121296172176 + 83108241225 = 348276^2 + 288285^2 .

It is not a de Polignac number, because 204404413401 - 2⁷ = 204404413273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204404413201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34866 + ... + 640331.

It is an arithmetic number, because the mean of its divisors is an integer number (24605002851).

Almost surely, 2^204404413401 is an apocalyptic number.

It is an amenable number.

204404413401 is a deficient number, since it is larger than the sum of its proper divisors (90855620811).

204404413401 is a wasteful number, since it uses less digits than its factorization.

204404413401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708840 (or 708837 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 204404413401 its reverse (104314404402), we get a palindrome (308718817803).

The spelling of 204404413401 in words is "two hundred four billion, four hundred four million, four hundred thirteen thousand, four hundred one".