43040132 has 12 divisors (see below), whose sum is σ = 75510876. Its totient is φ = 21465600.

The previous prime is 43040117. The next prime is 43040167. The reversal of 43040132 is 23104034.

It can be written as a sum of positive squares in 2 ways, for example, as 25867396 + 17172736 = 5086^2 + 4144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43040132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11813 + ... + 15020.

It is an arithmetic number, because the mean of its divisors is an integer number (6292573).

Almost surely, 2^43040132 is an apocalyptic number.

It is an amenable number.

43040132 is a deficient number, since it is larger than the sum of its proper divisors (32470744).

43040132 is a wasteful number, since it uses less digits than its factorization.

43040132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27238 (or 27236 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 43040132 is about 6560.4978469625. The cubic root of 43040132 is about 350.4487631343.

Adding to 43040132 its reverse (23104034), we get a palindrome (66144166).

The spelling of 43040132 in words is "forty-three million, forty thousand, one hundred thirty-two".