4242440042 has 8 divisors (see below), whose sum is σ = 6698589600. Its totient is φ = 2009576844.

The previous prime is 4242440029. The next prime is 4242440053. The reversal of 4242440042 is 2400442424.

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 = 4242439993 and 4242440020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55821542 + ... + 55821617.

It is an arithmetic number, because the mean of its divisors is an integer number (837323700).

Almost surely, 2^4242440042 is an apocalyptic number.

4242440042 is a deficient number, since it is larger than the sum of its proper divisors (2456149558).

4242440042 is a wasteful number, since it uses less digits than its factorization.

4242440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111643180.

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

The square root of 4242440042 is about 65134.0160131402. The cubic root of 4242440042 is about 1618.8448863109.

Adding to 4242440042 its reverse (2400442424), we get a palindrome (6642882466).

The spelling of 4242440042 in words is "four billion, two hundred forty-two million, four hundred forty thousand, forty-two".