444231222140 has 24 divisors (see below), whose sum is σ = 933007059600. Its totient is φ = 177669347328.

The previous prime is 444231222077. The next prime is 444231222151. The reversal of 444231222140 is 41222132444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1288517 + ... + 1596476.

It is an arithmetic number, because the mean of its divisors is an integer number (38875294150).

Almost surely, 2^444231222140 is an apocalyptic number.

It is an amenable number.

444231222140 is an abundant number, since it is smaller than the sum of its proper divisors (488775837460).

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

444231222140 is a wasteful number, since it uses less digits than its factorization.

444231222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892701 (or 2892699 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 444231222140 its reverse (41222132444), we get a palindrome (485453354584).

The spelling of 444231222140 in words is "four hundred forty-four billion, two hundred thirty-one million, two hundred twenty-two thousand, one hundred forty".