43240242 has 16 divisors (see below), whose sum is σ = 86575392. Its totient is φ = 14397600.

The previous prime is 43240237. The next prime is 43240271. The reversal of 43240242 is 24204234.

43240242 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, 2878 + ... + 9734.

It is an arithmetic number, because the mean of its divisors is an integer number (5410962).

Almost surely, 2^43240242 is an apocalyptic number.

43240242 is an abundant number, since it is smaller than the sum of its proper divisors (43335150).

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

43240242 is a wasteful number, since it uses less digits than its factorization.

43240242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 43240242 is about 6575.7312901304. The cubic root of 43240242 is about 350.9910469222.

Adding to 43240242 its reverse (24204234), we get a palindrome (67444476).

The spelling of 43240242 in words is "forty-three million, two hundred forty thousand, two hundred forty-two".