204040043120441 has 16 divisors (see below), whose sum is σ = 235716369072768. Its totient is φ = 174554714246400.

The previous prime is 204040043120369. The next prime is 204040043120449. The reversal of 204040043120441 is 144021340040402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204040043120441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204040043120449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 76821290 + ... + 79432931.

It is an arithmetic number, because the mean of its divisors is an integer number (14732273067048).

Almost surely, 2^{204040043120441} is an apocalyptic number.

It is an amenable number.

204040043120441 is a deficient number, since it is larger than the sum of its proper divisors (31676325952327).

204040043120441 is a wasteful number, since it uses less digits than its factorization.

204040043120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156261232.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 204040043120441 its reverse (144021340040402), we get a palindrome (348061383160843).

The spelling of 204040043120441 in words is "two hundred four trillion, forty billion, forty-three million, one hundred twenty thousand, four hundred forty-one".