204244416445 has 8 divisors (see below), whose sum is σ = 247519966680. Its totient is φ = 161777755200.

The previous prime is 204244416353. The next prime is 204244416461. The reversal of 204244416445 is 544614442402.

It can be written as a sum of positive squares in 4 ways, for example, as 25956109881 + 178288306564 = 161109^2 + 422242^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204244416445 - 2¹¹ = 204244414397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204244416398 and 204244416407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202221690 + ... + 202222699.

It is an arithmetic number, because the mean of its divisors is an integer number (30939995835).

Almost surely, 2^204244416445 is an apocalyptic number.

It is an amenable number.

204244416445 is a deficient number, since it is larger than the sum of its proper divisors (43275550235).

204244416445 is a wasteful number, since it uses less digits than its factorization.

204244416445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404444495.

The product of its (nonzero) digits is 491520, while the sum is 40.

Adding to 204244416445 its reverse (544614442402), we get a palindrome (748858858847).

The spelling of 204244416445 in words is "two hundred four billion, two hundred forty-four million, four hundred sixteen thousand, four hundred forty-five".