4242242144 has 24 divisors (see below), whose sum is σ = 9545045328. Its totient is φ = 1818103680.

The previous prime is 4242242117. The next prime is 4242242167. The reversal of 4242242144 is 4412422424.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 9469067 + ... + 9469514.

It is an arithmetic number, because the mean of its divisors is an integer number (397710222).

Almost surely, 2^4242242144 is an apocalyptic number.

It is an amenable number.

4242242144 is an abundant number, since it is smaller than the sum of its proper divisors (5302803184).

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

4242242144 is a wasteful number, since it uses less digits than its factorization.

4242242144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18938598 (or 18938590 counting only the distinct ones).

The product of its digits is 16384, while the sum is 29.

The square root of 4242242144 is about 65132.4968352972. The cubic root of 4242242144 is about 1618.8197143860.

Adding to 4242242144 its reverse (4412422424), we get a palindrome (8654664568).

The spelling of 4242242144 in words is "four billion, two hundred forty-two million, two hundred forty-two thousand, one hundred forty-four".