243102044320200 has 288 divisors, whose sum is σ = 879369874929000. Its totient is φ = 59830238638080.

The previous prime is 243102044320153. The next prime is 243102044320237. The reversal of 243102044320200 is 2023440201342.

243102044320200 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 0 + 20 + 4 + 432 + 0 + 200 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 3709915140996 + 239392129179204 = 1926114^2 + 15472302^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 135978502 + ... + 137754698.

Almost surely, 2^{243102044320200} is an apocalyptic number.

243102044320200 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 243102044320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439684937464500).

243102044320200 is an abundant number, since it is smaller than the sum of its proper divisors (636267830608800).

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

243102044320200 is a wasteful number, since it uses less digits than its factorization.

243102044320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782081 (or 1782069 counting only the distinct ones).

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

Adding to 243102044320200 its reverse (2023440201342), we get a palindrome (245125484521542).

The spelling of 243102044320200 in words is "two hundred forty-three trillion, one hundred two billion, forty-four million, three hundred twenty thousand, two hundred".