4144244431 has 4 divisors (see below), whose sum is σ = 4154088664. Its totient is φ = 4134400200.

The previous prime is 4144244399. The next prime is 4144244441. The reversal of 4144244431 is 1344424414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4144244431 - 2⁵ = 4144244399 is a prime.

It is a super-2 number, since 2×4144244431² = 34349523807749027522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4144244393 and 4144244402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144244441) 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, 4921485 + ... + 4922326.

It is an arithmetic number, because the mean of its divisors is an integer number (1038522166).

Almost surely, 2^4144244431 is an apocalyptic number.

4144244431 is a deficient number, since it is larger than the sum of its proper divisors (9844233).

4144244431 is an equidigital number, since it uses as much as digits as its factorization.

4144244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844232.

The product of its digits is 24576, while the sum is 31.

The square root of 4144244431 is about 64375.8062551453. The cubic root of 4144244431 is about 1606.2573237394.

Adding to 4144244431 its reverse (1344424414), we get a palindrome (5488668845).

The spelling of 4144244431 in words is "four billion, one hundred forty-four million, two hundred forty-four thousand, four hundred thirty-one".