204443239716 has 81 divisors (see below), whose sum is σ = 520927636593. Its totient is φ = 67606066080.

The previous prime is 204443239697. The next prime is 204443239733. The reversal of 204443239716 is 617932344402.

The square root of 204443239716 is 452154.

It is a perfect power (a square), and thus also a powerful number.

204443239716 is a `hidden beast` number, since 204 + 4 + 43 + 2 + 397 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 970073316 + 203473166400 = 31146^2 + 451080^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 485613186 + ... + 485613606.

Almost surely, 2^204443239716 is an apocalyptic number.

204443239716 is the 452154-th square number.

It is an amenable number.

204443239716 is an abundant number, since it is smaller than the sum of its proper divisors (316484396877).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204443239716 is an equidigital number, since it uses as much as digits as its factorization.

204443239716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 204443239716 in words is "two hundred four billion, four hundred forty-three million, two hundred thirty-nine thousand, seven hundred sixteen".