4242440000042 has 8 divisors (see below), whose sum is σ = 6467982295332. Its totient is φ = 2086445901600.

The previous prime is 4242440000039. The next prime is 4242440000053. The reversal of 4242440000042 is 2400000442424.

It can be written as a sum of positive squares in 2 ways, for example, as 4232158242841 + 10281757201 = 2057221^2 + 101399^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4242439999966 and 4242440000020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17387049059 + ... + 17387049302.

Almost surely, 2^{4242440000042} is an apocalyptic number.

4242440000042 is a deficient number, since it is larger than the sum of its proper divisors (2225542295290).

4242440000042 is a wasteful number, since it uses less digits than its factorization.

4242440000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34774098424.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 4242440000042 its reverse (2400000442424), we get a palindrome (6642440442466).

The spelling of 4242440000042 in words is "four trillion, two hundred forty-two billion, four hundred forty million, forty-two", and thus it is an aban number.