1442044091943 has 96 divisors (see below), whose sum is σ = 2647314575360. Its totient is φ = 735828572160.

The previous prime is 1442044091921. The next prime is 1442044091951. The reversal of 1442044091943 is 3491904402441.

1442044091943 is a `hidden beast` number, since 14 + 4 + 2 + 0 + 440 + 9 + 194 + 3 = 666.

It is not a de Polignac number, because 1442044091943 - 2²⁰ = 1442043043367 is a prime.

It is a super-2 number, since 2×1442044091943² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442044091953) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80448780 + ... + 80466702.

Almost surely, 2^{1442044091943} is an apocalyptic number.

1442044091943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1442044091943 is a deficient number, since it is larger than the sum of its proper divisors (1205270483417).

1442044091943 is a wasteful number, since it uses less digits than its factorization.

1442044091943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21149 (or 21146 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 1442044091943 in words is "one trillion, four hundred forty-two billion, forty-four million, ninety-one thousand, nine hundred forty-three".