1944434344426 has 16 divisors (see below), whose sum is σ = 3333384091584. Its totient is φ = 833311986624.

The previous prime is 1944434344417. The next prime is 1944434344429. The reversal of 1944434344426 is 6244434344491.

It is not an unprimeable number, because it can be changed into a prime (1944434344429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 695455 + ... + 2091058.

It is an arithmetic number, because the mean of its divisors is an integer number (208336505724).

Almost surely, 2^{1944434344426} is an apocalyptic number.

1944434344426 is a deficient number, since it is larger than the sum of its proper divisors (1388949747158).

1944434344426 is a wasteful number, since it uses less digits than its factorization.

1944434344426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836365.

The product of its digits is 15925248, while the sum is 52.

The spelling of 1944434344426 in words is "one trillion, nine hundred forty-four billion, four hundred thirty-four million, three hundred forty-four thousand, four hundred twenty-six".