204040024 has 8 divisors (see below), whose sum is σ = 382575060. Its totient is φ = 102020008.

The previous prime is 204040021. The next prime is 204040051. The reversal of 204040024 is 420040402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204040021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752494 + ... + 12752509.

Almost surely, 2^204040024 is an apocalyptic number.

It is an amenable number.

204040024 is a deficient number, since it is larger than the sum of its proper divisors (178535036).

204040024 is a wasteful number, since it uses less digits than its factorization.

204040024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25505009 (or 25505005 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 204040024 is about 14284.2579086209. The cubic root of 204040024 is about 588.7150278465.

Adding to 204040024 its reverse (420040402), we get a palindrome (624080426).

The spelling of 204040024 in words is "two hundred four million, forty thousand, twenty-four".