204540456 has 32 divisors (see below), whose sum is σ = 511711200. Its totient is φ = 68132160.

The previous prime is 204540439. The next prime is 204540461. The reversal of 204540456 is 654045402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53571 + ... + 57261.

It is an arithmetic number, because the mean of its divisors is an integer number (15990975).

Almost surely, 2^204540456 is an apocalyptic number.

It is an amenable number.

204540456 is an abundant number, since it is smaller than the sum of its proper divisors (307170744).

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

204540456 is a wasteful number, since it uses less digits than its factorization.

204540456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009 (or 6005 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 204540456 is about 14301.7640869929. The cubic root of 204540456 is about 589.1959323672.

Adding to 204540456 its reverse (654045402), we get a palindrome (858585858).

The spelling of 204540456 in words is "two hundred four million, five hundred forty thousand, four hundred fifty-six".