43043440112020 has 12 divisors (see below), whose sum is σ = 90391224235284. Its totient is φ = 17217376044800.

The previous prime is 43043440111979. The next prime is 43043440112041. The reversal of 43043440112020 is 2021104434034.

43043440112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20633706644356 + 22409733467664 = 4542434^2 + 4733892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43043440112020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076086002781 + ... + 1076086002820.

It is an arithmetic number, because the mean of its divisors is an integer number (7532602019607).

Almost surely, 2^{43043440112020} is an apocalyptic number.

It is an amenable number.

43043440112020 is an abundant number, since it is smaller than the sum of its proper divisors (47347784123264).

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

43043440112020 is a wasteful number, since it uses less digits than its factorization.

43043440112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152172005610 (or 2152172005608 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 43043440112020 its reverse (2021104434034), we get a palindrome (45064544546054).

The spelling of 43043440112020 in words is "forty-three trillion, forty-three billion, four hundred forty million, one hundred twelve thousand, twenty".