204363405441 has 12 divisors (see below), whose sum is σ = 317898630868. Its totient is φ = 125762095584.

The previous prime is 204363405403. The next prime is 204363405451. The reversal of 204363405441 is 144504363402.

204363405441 is a `hidden beast` number, since 204 + 3 + 6 + 3 + 4 + 0 + 5 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65073969216 + 139289436225 = 255096^2 + 373215^2 .

It is not a de Polignac number, because 204363405441 - 2⁷ = 204363405313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204363405396 and 204363405405.

It is not an unprimeable number, because it can be changed into a prime (204363405401) 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, 873347770 + ... + 873348003.

Almost surely, 2^204363405441 is an apocalyptic number.

It is an amenable number.

204363405441 is a deficient number, since it is larger than the sum of its proper divisors (113535225427).

204363405441 is a wasteful number, since it uses less digits than its factorization.

204363405441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746695792 (or 1746695789 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 204363405441 its reverse (144504363402), we get a palindrome (348867768843).

The spelling of 204363405441 in words is "two hundred four billion, three hundred sixty-three million, four hundred five thousand, four hundred forty-one".