204241142404441 has 4 divisors (see below), whose sum is σ = 204241355932900. Its totient is φ = 204240928875984.

The previous prime is 204241142404427. The next prime is 204241142404447. The reversal of 204241142404441 is 144404241142402.

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 118992317889600 + 85248824514841 = 10908360^2 + 9233029^2 .

It is a cyclic number.

It is not a de Polignac number, because 204241142404441 - 2¹⁷ = 204241142273369 is a prime.

It is a super-2 number, since 2×204241142404441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204241142404441.

It is not an unprimeable number, because it can be changed into a prime (204241142404447) 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, 105322986 + ... + 107244643.

It is an arithmetic number, because the mean of its divisors is an integer number (51060338983225).

Almost surely, 2^{204241142404441} is an apocalyptic number.

It is an amenable number.

204241142404441 is a deficient number, since it is larger than the sum of its proper divisors (213528459).

204241142404441 is an equidigital number, since it uses as much as digits as its factorization.

204241142404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213528458.

The product of its (nonzero) digits is 131072, while the sum is 37.

Adding to 204241142404441 its reverse (144404241142402), we get a palindrome (348645383546843).

The spelling of 204241142404441 in words is "two hundred four trillion, two hundred forty-one billion, one hundred forty-two million, four hundred four thousand, four hundred forty-one".