43232140 has 24 divisors (see below), whose sum is σ = 103757472. Its totient is φ = 14822400.

The previous prime is 43232129. The next prime is 43232159. The reversal of 43232140 is 4123234.

43232140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154261 + ... + 154540.

It is an arithmetic number, because the mean of its divisors is an integer number (4323228).

Almost surely, 2^43232140 is an apocalyptic number.

It is an amenable number.

43232140 is an abundant number, since it is smaller than the sum of its proper divisors (60525332).

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

43232140 is a wasteful number, since it uses less digits than its factorization.

43232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308817 (or 308815 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43232140 is about 6575.1152081161. The cubic root of 43232140 is about 350.9691236168.

Adding to 43232140 its reverse (4123234), we get a palindrome (47355374).

The spelling of 43232140 in words is "forty-three million, two hundred thirty-two thousand, one hundred forty".