444111323412 has 24 divisors (see below), whose sum is σ = 1045944428256. Its totient is φ = 146653583008.

The previous prime is 444111323387. The next prime is 444111323479. The reversal of 444111323412 is 214323111444.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 444111323412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172939263 + ... + 172941830.

It is an arithmetic number, because the mean of its divisors is an integer number (43581017844).

Almost surely, 2^444111323412 is an apocalyptic number.

It is an amenable number.

444111323412 is an abundant number, since it is smaller than the sum of its proper divisors (601833104844).

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

444111323412 is a wasteful number, since it uses less digits than its factorization.

444111323412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345881207 (or 345881205 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 444111323412 its reverse (214323111444), we get a palindrome (658434434856).

The spelling of 444111323412 in words is "four hundred forty-four billion, one hundred eleven million, three hundred twenty-three thousand, four hundred twelve".