43404242 has 16 divisors (see below), whose sum is σ = 76973760. Its totient is φ = 17960208.

The previous prime is 43404239. The next prime is 43404253. The reversal of 43404242 is 24240434.

43404242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 53048 + ... + 53859.

It is an arithmetic number, because the mean of its divisors is an integer number (4810860).

Almost surely, 2^43404242 is an apocalyptic number.

43404242 is a deficient number, since it is larger than the sum of its proper divisors (33569518).

43404242 is a wasteful number, since it uses less digits than its factorization.

43404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106945.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 43404242 is about 6588.1895844003. The cubic root of 43404242 is about 351.4342290777.

Adding to 43404242 its reverse (24240434), we get a palindrome (67644676).

The spelling of 43404242 in words is "forty-three million, four hundred four thousand, two hundred forty-two".