243344144032 has 96 divisors (see below), whose sum is σ = 560524950720. Its totient is φ = 102812037120.

The previous prime is 243344144027. The next prime is 243344144053. The reversal of 243344144032 is 230441443342.

It is a super-2 number, since 2×243344144032² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11208 + ... + 697720.

It is an arithmetic number, because the mean of its divisors is an integer number (5838801570).

Almost surely, 2^243344144032 is an apocalyptic number.

243344144032 is a gapful number since it is divisible by the number (22) 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 243344144032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280262475360).

243344144032 is an abundant number, since it is smaller than the sum of its proper divisors (317180806688).

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

243344144032 is a wasteful number, since it uses less digits than its factorization.

243344144032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686606 (or 686598 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 243344144032 its reverse (230441443342), we get a palindrome (473785587374).

The spelling of 243344144032 in words is "two hundred forty-three billion, three hundred forty-four million, one hundred forty-four thousand, thirty-two".