4440143231 has 16 divisors (see below), whose sum is σ = 4748700000. Its totient is φ = 4139600256.

The previous prime is 4440143221. The next prime is 4440143243. The reversal of 4440143231 is 1323410444.

It is not a de Polignac number, because 4440143231 - 2¹⁸ = 4439881087 is a prime.

It is a super-2 number, since 2×4440143231² = 39429743823590238722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440143231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440143221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301385 + ... + 315773.

It is an arithmetic number, because the mean of its divisors is an integer number (296793750).

Almost surely, 2^4440143231 is an apocalyptic number.

4440143231 is a deficient number, since it is larger than the sum of its proper divisors (308556769).

4440143231 is a wasteful number, since it uses less digits than its factorization.

4440143231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4440143231 is about 66634.3997571825. The cubic root of 4440143231 is about 1643.6108264709.

Adding to 4440143231 its reverse (1323410444), we get a palindrome (5763553675).

The spelling of 4440143231 in words is "four billion, four hundred forty million, one hundred forty-three thousand, two hundred thirty-one".