4242420423242 has 16 divisors (see below), whose sum is σ = 6392500912512. Its totient is φ = 2111598589200.

The previous prime is 4242420423191. The next prime is 4242420423259. The reversal of 4242420423242 is 2423240242424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231009 + ... + 3669092.

It is an arithmetic number, because the mean of its divisors is an integer number (399531307032).

Almost surely, 2^{4242420423242} is an apocalyptic number.

4242420423242 is a deficient number, since it is larger than the sum of its proper divisors (2150080489270).

4242420423242 is a wasteful number, since it uses less digits than its factorization.

4242420423242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901733.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 4242420423242 its reverse (2423240242424), we get a palindrome (6665660665666).

The spelling of 4242420423242 in words is "four trillion, two hundred forty-two billion, four hundred twenty million, four hundred twenty-three thousand, two hundred forty-two".