243302424040 has 256 divisors, whose sum is σ = 625561574400. Its totient is φ = 84521816064.

The previous prime is 243302424037. The next prime is 243302424073. The reversal of 243302424040 is 40424203342.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 200578474 + ... + 200579686.

It is an arithmetic number, because the mean of its divisors is an integer number (2443599900).

Almost surely, 2^243302424040 is an apocalyptic number.

243302424040 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 243302424040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312780787200).

243302424040 is an abundant number, since it is smaller than the sum of its proper divisors (382259150360).

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

243302424040 is a wasteful number, since it uses less digits than its factorization.

243302424040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 243302424040 its reverse (40424203342), we get a palindrome (283726627382).

The spelling of 243302424040 in words is "two hundred forty-three billion, three hundred two million, four hundred twenty-four thousand, forty".