204668641448 has 32 divisors (see below), whose sum is σ = 394176169800. Its totient is φ = 99555708672.

The previous prime is 204668641423. The next prime is 204668641453. The reversal of 204668641448 is 844146866402.

204668641448 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 186004163524 + 18664477924 = 431282^2 + 136618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204668641448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504498 + ... + 2584926.

Almost surely, 2^204668641448 is an apocalyptic number.

It is an amenable number.

204668641448 is a deficient number, since it is larger than the sum of its proper divisors (189507528352).

204668641448 is a wasteful number, since it uses less digits than its factorization.

204668641448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89069 (or 89065 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 53.

The spelling of 204668641448 in words is "two hundred four billion, six hundred sixty-eight million, six hundred forty-one thousand, four hundred forty-eight".