44444455555556 has 48 divisors (see below), whose sum is σ = 90782819860992. Its totient is φ = 18641809929600.

The previous prime is 44444455555541. The next prime is 44444455555567. The reversal of 44444455555556 is 65555555444444.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44444455555492 and 44444455555501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46190486 + ... + 47142866.

It is an arithmetic number, because the mean of its divisors is an integer number (1891308747104).

Almost surely, 2^{44444455555556} is an apocalyptic number.

It is a pronic number, being equal to 6666667×6666668.

It is an amenable number.

44444455555556 is an abundant number, since it is smaller than the sum of its proper divisors (46338364305436).

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

44444455555556 is a wasteful number, since it uses less digits than its factorization.

44444455555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987900 (or 987898 counting only the distinct ones).

The product of its digits is 1920000000, while the sum is 65.

It can be divided in two parts, 4444445 and 5555556, that added together give a palindrome (10000001).

The spelling of 44444455555556 in words is "forty-four trillion, four hundred forty-four billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-six".