204043450 has 48 divisors (see below), whose sum is σ = 417473280. Its totient is φ = 73725120.

The previous prime is 204043409. The next prime is 204043453. The reversal of 204043450 is 54340402.

It is a happy number.

204043450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204043453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27211 + ... + 33889.

It is an arithmetic number, because the mean of its divisors is an integer number (8697360).

Almost surely, 2^204043450 is an apocalyptic number.

204043450 is an abundant number, since it is smaller than the sum of its proper divisors (213429830).

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

204043450 is a wasteful number, since it uses less digits than its factorization.

204043450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751 (or 6746 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 204043450 is about 14284.3778303432. The cubic root of 204043450 is about 588.7183228314.

Adding to 204043450 its reverse (54340402), we get a palindrome (258383852).

The spelling of 204043450 in words is "two hundred four million, forty-three thousand, four hundred fifty".