43152340 has 72 divisors (see below), whose sum is σ = 115026912. Its totient is φ = 13446720.

The previous prime is 43152331. The next prime is 43152353. The reversal of 43152340 is 4325134.

43152340 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 (22).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 8779 + ... + 12781.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596).

Almost surely, 2^43152340 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 43152340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57513456).

43152340 is an abundant number, since it is smaller than the sum of its proper divisors (71874572).

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

43152340 is a wasteful number, since it uses less digits than its factorization.

43152340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037 (or 4028 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 43152340 is about 6569.0440704870. The cubic root of 43152340 is about 350.7530452841.

Adding to 43152340 its reverse (4325134), we get a palindrome (47477474).

The spelling of 43152340 in words is "forty-three million, one hundred fifty-two thousand, three hundred forty".