44444444444 has 12 divisors (see below), whose sum is σ = 77781522000.
Its totient is φ = 22221152448.
The previous prime is 44444444441. The next prime is 44444444497.
It is a happy number.
44444444444 is nontrivially palindromic in base 10.
It is a nude number because it is divisible by every one of its digits.
44444444444 is a modest number, since divided by 444444 gives 44444 as remainder.
44444444444 is a nontrivial repdigit in base 10.
It is a plaindrome in base 10.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 44444444395 and 44444444404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (44444444441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170024 + ... + 343215.
It is an arithmetic number, because the mean of its divisors is an integer number (6481793500).
Almost surely, 244444444444 is an apocalyptic number.
It is an amenable number.
44444444444 is a deficient number, since it is larger than the sum of its proper divisors (33337077556).
44444444444 is a wasteful number, since it uses less digits than its factorization.
44444444444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 534892 (or 534890 counting only the distinct ones).
The product of its digits is 4194304, while the sum is 44.
The spelling of 44444444444 in words is "forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".