204043243140 has 216 divisors, whose sum is σ = 712607208768. Its totient is φ = 46861441920.

The previous prime is 204043243081. The next prime is 204043243171. The reversal of 204043243140 is 41342340402.

It is a happy number.

204043243140 is a `hidden beast` number, since 2 + 0 + 404 + 3 + 243 + 14 + 0 = 666.

204043243140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 572049 + ... + 857511.

It is an arithmetic number, because the mean of its divisors is an integer number (3299107448).

Almost surely, 2^204043243140 is an apocalyptic number.

204043243140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204043243140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356303604384).

204043243140 is an abundant number, since it is smaller than the sum of its proper divisors (508563965628).

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

204043243140 is a wasteful number, since it uses less digits than its factorization.

204043243140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285527 (or 285503 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 204043243140 its reverse (41342340402), we get a palindrome (245385583542).

The spelling of 204043243140 in words is "two hundred four billion, forty-three million, two hundred forty-three thousand, one hundred forty".