4144442242 has 8 divisors (see below), whose sum is σ = 6248874636. Its totient is φ = 2061484032.

The previous prime is 4144442233. The next prime is 4144442303. The reversal of 4144442242 is 2422444414.

It is a happy number.

4144442242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3607083481 + 537358761 = 60059^2 + 23181^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5368063 + ... + 5368834.

Almost surely, 2^4144442242 is an apocalyptic number.

4144442242 is a deficient number, since it is larger than the sum of its proper divisors (2104432394).

4144442242 is a wasteful number, since it uses less digits than its factorization.

4144442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10737092.

The product of its digits is 32768, while the sum is 31.

The square root of 4144442242 is about 64377.3426136867. The cubic root of 4144442242 is about 1606.2828796895.

Adding to 4144442242 its reverse (2422444414), we get a palindrome (6566886656).

The spelling of 4144442242 in words is "four billion, one hundred forty-four million, four hundred forty-two thousand, two hundred forty-two".