43189921140 has 24 divisors (see below), whose sum is σ = 120931779360. Its totient is φ = 11517312288.

The previous prime is 43189921127. The next prime is 43189921141. The reversal of 43189921140 is 4112998134.

It is a junction number, because it is equal to n+sod(n) for n = 43189921092 and 43189921101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43189921141) 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, 359915950 + ... + 359916069.

It is an arithmetic number, because the mean of its divisors is an integer number (5038824140).

Almost surely, 2^43189921140 is an apocalyptic number.

It is an amenable number.

43189921140 is an abundant number, since it is smaller than the sum of its proper divisors (77741858220).

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

43189921140 is a wasteful number, since it uses less digits than its factorization.

43189921140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719832031 (or 719832029 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 43189921140 in words is "forty-three billion, one hundred eighty-nine million, nine hundred twenty-one thousand, one hundred forty".