4444444444 has 48 divisors (see below), whose sum is σ = 8724828672. Its totient is φ = 1963440000.

The previous prime is 4444444429. The next prime is 4444444447.

4444444444 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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

4444444444 is a modest number, since divided by 444444 gives 4444 as remainder.

4444444444 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 = 4444444397 and 4444444406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444444447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484339 + ... + 493429.

It is an arithmetic number, because the mean of its divisors is an integer number (181767264).

Almost surely, 2^4444444444 is an apocalyptic number.

4444444444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4444444444 is a deficient number, since it is larger than the sum of its proper divisors (4280384228).

4444444444 is a wasteful number, since it uses less digits than its factorization.

4444444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9418 (or 9416 counting only the distinct ones).

The product of its digits is 1048576, while the sum is 40.

The square root of 4444444444 is about 66666.6666633333. Note that the first 5 decimals coincide. The cubic root of 4444444444 is about 1644.1413828322.

It can be divided in two parts, 44444 and 44444, that added together give a palindrome (88888).

The spelling of 4444444444 in words is "four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".