1444344183385 has 16 divisors (see below), whose sum is σ = 1858858061760. Its totient is φ = 1074006872640.

The previous prime is 1444344183383. The next prime is 1444344183449. The reversal of 1444344183385 is 5833814434441.

It is a happy number.

It is not a de Polignac number, because 1444344183385 - 2¹ = 1444344183383 is a prime.

It is a super-2 number, since 2×1444344183385² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1444344183383) 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, 143425371 + ... + 143435440.

It is an arithmetic number, because the mean of its divisors is an integer number (116178628860).

Almost surely, 2^{1444344183385} is an apocalyptic number.

It is an amenable number.

1444344183385 is a deficient number, since it is larger than the sum of its proper divisors (414513878375).

1444344183385 is a wasteful number, since it uses less digits than its factorization.

1444344183385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286860888.

The product of its digits is 8847360, while the sum is 52.

The spelling of 1444344183385 in words is "one trillion, four hundred forty-four billion, three hundred forty-four million, one hundred eighty-three thousand, three hundred eighty-five".