444445555556 has 12 divisors (see below), whose sum is σ = 777785555568. Its totient is φ = 222221111112.

The previous prime is 444445555529. The next prime is 444445555571. The reversal of 444445555556 is 655555544444.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333335 + ... + 1000001.

It is an arithmetic number, because the mean of its divisors is an integer number (64815462964).

Almost surely, 2^444445555556 is an apocalyptic number.

It is a pronic number, being equal to 666667×666668.

It is an amenable number.

444445555556 is a deficient number, since it is larger than the sum of its proper divisors (333340000012).

444445555556 is a wasteful number, since it uses less digits than its factorization.

444445555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833338 (or 833336 counting only the distinct ones).

The product of its digits is 96000000, while the sum is 56.

It can be divided in two parts, 444445 and 555556, that added together give a palindrome (1000001).

The spelling of 444445555556 in words is "four hundred forty-four billion, four hundred forty-five million, five hundred fifty-five thousand, five hundred fifty-six".