204081450 has 48 divisors (see below), whose sum is σ = 511842240. Its totient is φ = 53806720.

The previous prime is 204081433. The next prime is 204081487. The reversal of 204081450 is 54180402.

It is a self number, because there is not a number n which added to its sum of digits gives 204081450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5707 + ... + 20993.

It is an arithmetic number, because the mean of its divisors is an integer number (10663380).

Almost surely, 2^204081450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204081450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255921120).

204081450 is an abundant number, since it is smaller than the sum of its proper divisors (307760790).

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

204081450 is a wasteful number, since it uses less digits than its factorization.

204081450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15391 (or 15386 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 204081450 is about 14285.7078928557. The cubic root of 204081450 is about 588.7548671845.

The spelling of 204081450 in words is "two hundred four million, eighty-one thousand, four hundred fifty".