204540328 has 24 divisors (see below), whose sum is σ = 407404350. Its totient is φ = 96253184.

The previous prime is 204540313. The next prime is 204540331. The reversal of 204540328 is 823045402.

It can be written as a sum of positive squares in 3 ways, for example, as 198866404 + 5673924 = 14102^2 + 2382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204540296 and 204540305.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41923 + ... + 46546.

Almost surely, 2^204540328 is an apocalyptic number.

It is an amenable number.

204540328 is a deficient number, since it is larger than the sum of its proper divisors (202864022).

204540328 is a wasteful number, since it uses less digits than its factorization.

204540328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88509 (or 88488 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 204540328 is about 14301.7596120198. The cubic root of 204540328 is about 589.1958094622.

The spelling of 204540328 in words is "two hundred four million, five hundred forty thousand, three hundred twenty-eight".