4448312138444 has 12 divisors (see below), whose sum is σ = 7818539895600. Its totient is φ = 2214443596848.

The previous prime is 4448312138399. The next prime is 4448312138447.

4448312138444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4448312138444² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4448312138392 and 4448312138401.

It is not an unprimeable number, because it can be changed into a prime (4448312138447) 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, 2428117064 + ... + 2428118895.

It is an arithmetic number, because the mean of its divisors is an integer number (651544991300).

Almost surely, 2^{4448312138444} is an apocalyptic number.

It is an amenable number.

4448312138444 is a deficient number, since it is larger than the sum of its proper divisors (3370227757156).

4448312138444 is a wasteful number, since it uses less digits than its factorization.

4448312138444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856236192 (or 4856236190 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 50.

The spelling of 4448312138444 in words is "four trillion, four hundred forty-eight billion, three hundred twelve million, one hundred thirty-eight thousand, four hundred forty-four".