43243744220 has 96 divisors (see below), whose sum is σ = 97679748096. Its totient is φ = 16022451200.

The previous prime is 43243744213. The next prime is 43243744223. The reversal of 43243744220 is 2244734234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243744223) 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, 17934815 + ... + 17937225.

It is an arithmetic number, because the mean of its divisors is an integer number (1017497376).

Almost surely, 2^43243744220 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 43243744220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48839874048).

43243744220 is an abundant number, since it is smaller than the sum of its proper divisors (54436003876).

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

43243744220 is a wasteful number, since it uses less digits than its factorization.

43243744220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251 (or 3249 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 35.

The spelling of 43243744220 in words is "forty-three billion, two hundred forty-three million, seven hundred forty-four thousand, two hundred twenty".