204529490 has 32 divisors (see below), whose sum is σ = 422763840. Its totient is φ = 70459200.

The previous prime is 204529463. The next prime is 204529511. The reversal of 204529490 is 94925402.

204529490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204529490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46841 + ... + 51020.

It is an arithmetic number, because the mean of its divisors is an integer number (13211370).

Almost surely, 2^204529490 is an apocalyptic number.

204529490 is an abundant number, since it is smaller than the sum of its proper divisors (218234350).

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

204529490 is a wasteful number, since it uses less digits than its factorization.

204529490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97898.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 204529490 is about 14301.3807025755. The cubic root of 204529490 is about 589.1854026849.

The spelling of 204529490 in words is "two hundred four million, five hundred twenty-nine thousand, four hundred ninety".