43040252 has 6 divisors (see below), whose sum is σ = 75320448. Its totient is φ = 21520124.

The previous prime is 43040251. The next prime is 43040299. The reversal of 43040252 is 25204034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43040251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5380028 + ... + 5380035.

It is an arithmetic number, because the mean of its divisors is an integer number (12553408).

Almost surely, 2^43040252 is an apocalyptic number.

It is an amenable number.

43040252 is a deficient number, since it is larger than the sum of its proper divisors (32280196).

43040252 is a wasteful number, since it uses less digits than its factorization.

43040252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760067 (or 10760065 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 43040252 is about 6560.5069926035. The cubic root of 43040252 is about 350.4490888289.

Adding to 43040252 its reverse (25204034), we get a palindrome (68244286).

The spelling of 43040252 in words is "forty-three million, forty thousand, two hundred fifty-two".