243113952880 has 40 divisors (see below), whose sum is σ = 565260696000. Its totient is φ = 97242010368.

The previous prime is 243113952877. The next prime is 243113952881. The reversal of 243113952880 is 88259311342.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 243113952880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243113952881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3742921 + ... + 3807319.

It is an arithmetic number, because the mean of its divisors is an integer number (14131517400).

Almost surely, 2^243113952880 is an apocalyptic number.

243113952880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243113952880 is an abundant number, since it is smaller than the sum of its proper divisors (322146743120).

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

243113952880 is a wasteful number, since it uses less digits than its factorization.

243113952880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111601 (or 111595 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 243113952880 in words is "two hundred forty-three billion, one hundred thirteen million, nine hundred fifty-two thousand, eight hundred eighty".