43240230 has 160 divisors (see below), whose sum is σ = 132979968. Its totient is φ = 9979200.

The previous prime is 43240229. The next prime is 43240237. The reversal of 43240230 is 3204234.

43240230 is a `hidden beast` number, since 432 + 4 + 0 + 230 = 666.

43240230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43240237) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 204825 + ... + 205035.

Almost surely, 2^43240230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43240230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66489984).

43240230 is an abundant number, since it is smaller than the sum of its proper divisors (89739738).

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

43240230 is a wasteful number, since it uses less digits than its factorization.

43240230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 43240230 is about 6575.7303776843. The cubic root of 43240230 is about 350.9910144533.

Adding to 43240230 its reverse (3204234), we get a palindrome (46444464).

The spelling of 43240230 in words is "forty-three million, two hundred forty thousand, two hundred thirty".