204423244444 has 24 divisors (see below), whose sum is σ = 385931126448. Its totient is φ = 94384093440.

The previous prime is 204423244439. The next prime is 204423244447. The reversal of 204423244444 is 444442324402.

It is a happy number.

204423244444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204423244444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423244447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28357002 + ... + 28364209.

It is an arithmetic number, because the mean of its divisors is an integer number (16080463602).

Almost surely, 2^204423244444 is an apocalyptic number.

It is an amenable number.

204423244444 is a deficient number, since it is larger than the sum of its proper divisors (181507882004).

204423244444 is a wasteful number, since it uses less digits than its factorization.

204423244444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56721285 (or 56721283 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 37.

Adding to 204423244444 its reverse (444442324402), we get a palindrome (648865568846).

The spelling of 204423244444 in words is "two hundred four billion, four hundred twenty-three million, two hundred forty-four thousand, four hundred forty-four".