444444231142 has 16 divisors (see below), whose sum is σ = 688189756032. Its totient is φ = 215048021760.

The previous prime is 444444231131. The next prime is 444444231149. The reversal of 444444231142 is 241132444444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444231149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230838 + ... + 3365590.

It is an arithmetic number, because the mean of its divisors is an integer number (43011859752).

Almost surely, 2^444444231142 is an apocalyptic number.

444444231142 is a deficient number, since it is larger than the sum of its proper divisors (243745524890).

444444231142 is a wasteful number, since it uses less digits than its factorization.

444444231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187983.

The product of its digits is 196608, while the sum is 37.

Adding to 444444231142 its reverse (241132444444), we get a palindrome (685576675586).

The spelling of 444444231142 in words is "four hundred forty-four billion, four hundred forty-four million, two hundred thirty-one thousand, one hundred forty-two".