204404200442 has 16 divisors (see below), whose sum is σ = 330203489280. Its totient is φ = 94336946352.

The previous prime is 204404200433. The next prime is 204404200453. The reversal of 204404200442 is 244002404402.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 665903 + ... + 923165.

It is an arithmetic number, because the mean of its divisors is an integer number (20637718080).

Almost surely, 2^204404200442 is an apocalyptic number.

204404200442 is a deficient number, since it is larger than the sum of its proper divisors (125799288838).

204404200442 is a wasteful number, since it uses less digits than its factorization.

204404200442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287837.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 204404200442 its reverse (244002404402), we get a palindrome (448406604844).

The spelling of 204404200442 in words is "two hundred four billion, four hundred four million, two hundred thousand, four hundred forty-two".