243324993044 has 24 divisors (see below), whose sum is σ = 502348374528. Its totient is φ = 100918199520.

The previous prime is 243324992917. The next prime is 243324993073. The reversal of 243324993044 is 440399423342.

243324993044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 243324993044.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 140163299 + ... + 140165034.

It is an arithmetic number, because the mean of its divisors is an integer number (20931182272).

Almost surely, 2^243324993044 is an apocalyptic number.

It is an amenable number.

243324993044 is an abundant number, since it is smaller than the sum of its proper divisors (259023381484).

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

243324993044 is a wasteful number, since it uses less digits than its factorization.

243324993044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280328375 (or 280328373 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 47.

The spelling of 243324993044 in words is "two hundred forty-three billion, three hundred twenty-four million, nine hundred ninety-three thousand, forty-four".