4444431142 has 16 divisors (see below), whose sum is σ = 7070239440. Its totient is φ = 2088108288.

The previous prime is 4444431133. The next prime is 4444431149. The reversal of 4444431142 is 2411344444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444431149) 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, 84543 + ... + 126634.

It is an arithmetic number, because the mean of its divisors is an integer number (441889965).

Almost surely, 2^4444431142 is an apocalyptic number.

4444431142 is a deficient number, since it is larger than the sum of its proper divisors (2625808298).

4444431142 is a wasteful number, since it uses less digits than its factorization.

4444431142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211815.

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

The square root of 4444431142 is about 66666.5668982587. The cubic root of 4444431142 is about 1644.1397425529.

Adding to 4444431142 its reverse (2411344444), we get a palindrome (6855775586).

The spelling of 4444431142 in words is "four billion, four hundred forty-four million, four hundred thirty-one thousand, one hundred forty-two".