204240304442 has 4 divisors (see below), whose sum is σ = 306360456666. Its totient is φ = 102120152220.

The previous prime is 204240304441. The next prime is 204240304459. The reversal of 204240304442 is 244403042402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132147517441 + 72092787001 = 363521^2 + 268501^2 .

It is not an unprimeable number, because it can be changed into a prime (204240304441) by changing a digit.

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 as a sum of consecutive naturals, namely, 51060076109 + ... + 51060076112.

Almost surely, 2^204240304442 is an apocalyptic number.

204240304442 is a deficient number, since it is larger than the sum of its proper divisors (102120152224).

204240304442 is a wasteful number, since it uses less digits than its factorization.

204240304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102120152223.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 204240304442 its reverse (244403042402), we get a palindrome (448643346844).

The spelling of 204240304442 in words is "two hundred four billion, two hundred forty million, three hundred four thousand, four hundred forty-two".