444230011440 has 120 divisors (see below), whose sum is σ = 1493117553408. Its totient is φ = 118362470400.

The previous prime is 444230011417. The next prime is 444230011541. The reversal of 444230011440 is 44110032444.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607857 + ... + 1121583.

Almost surely, 2^444230011440 is an apocalyptic number.

444230011440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444230011440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746558776704).

444230011440 is an abundant number, since it is smaller than the sum of its proper divisors (1048887541968).

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

444230011440 is a wasteful number, since it uses less digits than its factorization.

444230011440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514947 (or 514938 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 444230011440 its reverse (44110032444), we get a palindrome (488340043884).

The spelling of 444230011440 in words is "four hundred forty-four billion, two hundred thirty million, eleven thousand, four hundred forty".