204350421143444 has 12 divisors (see below), whose sum is σ = 357677590690644. Its totient is φ = 102156823803264.

The previous prime is 204350421143389. The next prime is 204350421143521. The reversal of 204350421143444 is 444341124053402.

It can be written as a sum of positive squares in 2 ways, for example, as 118170205254544 + 86180215888900 = 10870612^2 + 9283330^2 .

It is a super-2 number, since 2×204350421143444² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4596667109 + ... + 4596711564.

It is an arithmetic number, because the mean of its divisors is an integer number (29806465890887).

Almost surely, 2^{204350421143444} is an apocalyptic number.

It is an amenable number.

204350421143444 is a deficient number, since it is larger than the sum of its proper divisors (153327169547200).

204350421143444 is a wasteful number, since it uses less digits than its factorization.

204350421143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193384234 (or 9193384232 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 41.

Adding to 204350421143444 its reverse (444341124053402), we get a palindrome (648691545196846).

The spelling of 204350421143444 in words is "two hundred four trillion, three hundred fifty billion, four hundred twenty-one million, one hundred forty-three thousand, four hundred forty-four".