43424242 has 8 divisors (see below), whose sum is σ = 67237632. Its totient is φ = 21011700.

The previous prime is 43424237. The next prime is 43424261. The reversal of 43424242 is 24242434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350134 + ... + 350257.

It is an arithmetic number, because the mean of its divisors is an integer number (8404704).

Almost surely, 2^43424242 is an apocalyptic number.

43424242 is a deficient number, since it is larger than the sum of its proper divisors (23813390).

43424242 is a wasteful number, since it uses less digits than its factorization.

43424242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700424.

The product of its digits is 6144, while the sum is 25.

The square root of 43424242 is about 6589.7072772620. The cubic root of 43424242 is about 351.4881992656.

Adding to 43424242 its reverse (24242434), we get a palindrome (67666676).

The spelling of 43424242 in words is "forty-three million, four hundred twenty-four thousand, two hundred forty-two".