204044131104442 has 16 divisors (see below), whose sum is σ = 315506799759240. Its totient is φ = 98895698618688.

The previous prime is 204044131104431. The next prime is 204044131104469. The reversal of 204044131104442 is 244401131440402.

It can be written as a sum of positive squares in 4 ways, for example, as 182543094744201 + 21501036360241 = 13510851^2 + 4636921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204044131104398 and 204044131104407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5125171773 + ... + 5125211584.

Almost surely, 2^{204044131104442} is an apocalyptic number.

204044131104442 is a deficient number, since it is larger than the sum of its proper divisors (111462668654798).

204044131104442 is a wasteful number, since it uses less digits than its factorization.

204044131104442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250383665.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 204044131104442 its reverse (244401131440402), we get a palindrome (448445262544844).

The spelling of 204044131104442 in words is "two hundred four trillion, forty-four billion, one hundred thirty-one million, one hundred four thousand, four hundred forty-two".