43343643020 has 96 divisors (see below), whose sum is σ = 99836815680. Its totient is φ = 15751916544.

The previous prime is 43343643019. The next prime is 43343643029. The reversal of 43343643020 is 2034634334.

It is not an unprimeable number, because it can be changed into a prime (43343643029) 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 31 ways as a sum of consecutive naturals, for example, 8289647 + ... + 8294873.

It is an arithmetic number, because the mean of its divisors is an integer number (1039966830).

Almost surely, 2^43343643020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43343643020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49918407840).

43343643020 is an abundant number, since it is smaller than the sum of its proper divisors (56493172660).

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

43343643020 is a wasteful number, since it uses less digits than its factorization.

43343643020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340 (or 5280 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

The spelling of 43343643020 in words is "forty-three billion, three hundred forty-three million, six hundred forty-three thousand, twenty".