4244142340 has 12 divisors (see below), whose sum is σ = 8912698956. Its totient is φ = 1697656928.

The previous prime is 4244142319. The next prime is 4244142341. The reversal of 4244142340 is 432414424.

It can be written as a sum of positive squares in 2 ways, for example, as 626601024 + 3617541316 = 25032^2 + 60146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4244142299 and 4244142308.

It is not an unprimeable number, because it can be changed into a prime (4244142341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106103539 + ... + 106103578.

It is an arithmetic number, because the mean of its divisors is an integer number (742724913).

Almost surely, 2^4244142340 is an apocalyptic number.

It is an amenable number.

4244142340 is an abundant number, since it is smaller than the sum of its proper divisors (4668556616).

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

4244142340 is a wasteful number, since it uses less digits than its factorization.

4244142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212207126 (or 212207124 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4244142340 is about 65147.0823598417. The cubic root of 4244142340 is about 1619.0613802689.

Adding to 4244142340 its reverse (432414424), we get a palindrome (4676556764).

The spelling of 4244142340 in words is "four billion, two hundred forty-four million, one hundred forty-two thousand, three hundred forty".