243024020316 has 216 divisors, whose sum is σ = 781406196480. Its totient is φ = 62974497600.

The previous prime is 243024020293. The next prime is 243024020321. The reversal of 243024020316 is 613020420342.

243024020316 is a `hidden beast` number, since 2 + 4 + 302 + 40 + 2 + 0 + 316 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 243024020316.

It is a congruent number.

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, 8348595 + ... + 8377653.

It is an arithmetic number, because the mean of its divisors is an integer number (3617621280).

Almost surely, 2^243024020316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243024020316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390703098240).

243024020316 is an abundant number, since it is smaller than the sum of its proper divisors (538382176164).

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

243024020316 is a wasteful number, since it uses less digits than its factorization.

243024020316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29525 (or 29513 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 243024020316 its reverse (613020420342), we get a palindrome (856044440658).

The spelling of 243024020316 in words is "two hundred forty-three billion, twenty-four million, twenty thousand, three hundred sixteen".