1444287215000 has 80 divisors (see below), whose sum is σ = 3867388602000. Its totient is φ = 495184176000.

The previous prime is 1444287214921. The next prime is 1444287215071. The reversal of 1444287215000 is 5127824441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20597675 + ... + 20667674.

It is an arithmetic number, because the mean of its divisors is an integer number (48342357525).

Almost surely, 2^{1444287215000} is an apocalyptic number.

1444287215000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444287215000 is an abundant number, since it is smaller than the sum of its proper divisors (2423101387000).

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

1444287215000 is an equidigital number, since it uses as much as digits as its factorization.

1444287215000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41265382 (or 41265363 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The spelling of 1444287215000 in words is "one trillion, four hundred forty-four billion, two hundred eighty-seven million, two hundred fifteen thousand".