204440313626 has 4 divisors (see below), whose sum is σ = 306660470442. Its totient is φ = 102220156812.

The previous prime is 204440313619. The next prime is 204440313653. The reversal of 204440313626 is 626313044402.

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., 145160238001 + 59280075625 = 380999^2 + 243475^2 .

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 as a sum of consecutive naturals, namely, 51110078405 + ... + 51110078408.

Almost surely, 2^204440313626 is an apocalyptic number.

204440313626 is a deficient number, since it is larger than the sum of its proper divisors (102220156816).

204440313626 is a wasteful number, since it uses less digits than its factorization.

204440313626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102220156815.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 204440313626 in words is "two hundred four billion, four hundred forty million, three hundred thirteen thousand, six hundred twenty-six".