444412144 has 40 divisors (see below), whose sum is σ = 941511168. Its totient is φ = 201535680.

The previous prime is 444412123. The next prime is 444412159. The reversal of 444412144 is 441214444.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79489 + ... + 84895.

Almost surely, 2^444412144 is an apocalyptic number.

444412144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444412144 is an abundant number, since it is smaller than the sum of its proper divisors (497099024).

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

444412144 is a wasteful number, since it uses less digits than its factorization.

444412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893 (or 5887 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 444412144 is about 21081.0849815658. The cubic root of 444412144 is about 763.1243405316.

Adding to 444412144 its reverse (441214444), we get a palindrome (885626588).

The spelling of 444412144 in words is "four hundred forty-four million, four hundred twelve thousand, one hundred forty-four".