4144243340 has 24 divisors (see below), whose sum is σ = 9214847712. Its totient is φ = 1560185600.

The previous prime is 4144243331. The next prime is 4144243343. The reversal of 4144243340 is 433424414.

It is a happy number.

It is a super-2 number, since 2×4144243340² = 34349505722268711200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4144243343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6094136 + ... + 6094815.

It is an arithmetic number, because the mean of its divisors is an integer number (383951988).

Almost surely, 2^4144243340 is an apocalyptic number.

It is an amenable number.

4144243340 is an abundant number, since it is smaller than the sum of its proper divisors (5070604372).

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

4144243340 is a wasteful number, since it uses less digits than its factorization.

4144243340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12188977 (or 12188975 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 4144243340 is about 64375.7977814644. The cubic root of 4144243340 is about 1606.2571827867.

Adding to 4144243340 its reverse (433424414), we get a palindrome (4577667754).

The spelling of 4144243340 in words is "four billion, one hundred forty-four million, two hundred forty-three thousand, three hundred forty".