204434144401 has 4 divisors (see below), whose sum is σ = 204467658804. Its totient is φ = 204400630000.

The previous prime is 204434144347. The next prime is 204434144417. The reversal of 204434144401 is 104441434402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111473183376 + 92960961025 = 333876^2 + 304895^2 .

It is a cyclic number.

It is not a de Polignac number, because 204434144401 - 2¹⁹ = 204433620113 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204434144501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16748050 + ... + 16760251.

It is an arithmetic number, because the mean of its divisors is an integer number (51116914701).

Almost surely, 2^204434144401 is an apocalyptic number.

It is an amenable number.

204434144401 is a deficient number, since it is larger than the sum of its proper divisors (33514403).

204434144401 is an equidigital number, since it uses as much as digits as its factorization.

204434144401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33514402.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 204434144401 its reverse (104441434402), we get a palindrome (308875578803).

The spelling of 204434144401 in words is "two hundred four billion, four hundred thirty-four million, one hundred forty-four thousand, four hundred one".