4444222432144 has 80 divisors (see below), whose sum is σ = 9415403250624. Its totient is φ = 2015389376000.

The previous prime is 4444222432103. The next prime is 4444222432147. The reversal of 4444222432144 is 4412342224444.

It is a super-3 number, since 3×4444222432144³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 4444222432097 and 4444222432106.

It is not an unprimeable number, because it can be changed into a prime (4444222432147) 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, 149506467 + ... + 149536189.

Almost surely, 2^{4444222432144} is an apocalyptic number.

4444222432144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4444222432144 is an abundant number, since it is smaller than the sum of its proper divisors (4971180818480).

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

4444222432144 is a wasteful number, since it uses less digits than its factorization.

4444222432144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31696 (or 31690 counting only the distinct ones).

The product of its digits is 786432, while the sum is 40.

Adding to 4444222432144 its reverse (4412342224444), we get a palindrome (8856564656588).

The spelling of 4444222432144 in words is "four trillion, four hundred forty-four billion, two hundred twenty-two million, four hundred thirty-two thousand, one hundred forty-four".