1944442327 has 4 divisors (see below), whose sum is σ = 1989661960. Its totient is φ = 1899222696.

The previous prime is 1944442319. The next prime is 1944442351. The reversal of 1944442327 is 7232444491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7232444491 = 31 ⋅233304661.

It is a cyclic number.

It is not a de Polignac number, because 1944442327 - 2³ = 1944442319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1944442327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944442307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22609752 + ... + 22609837.

It is an arithmetic number, because the mean of its divisors is an integer number (497415490).

Almost surely, 2^1944442327 is an apocalyptic number.

1944442327 is a deficient number, since it is larger than the sum of its proper divisors (45219633).

1944442327 is an equidigital number, since it uses as much as digits as its factorization.

1944442327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45219632.

The product of its digits is 193536, while the sum is 40.

The square root of 1944442327 is about 44095.8311748401. The cubic root of 1944442327 is about 1248.1449448047.

The spelling of 1944442327 in words is "one billion, nine hundred forty-four million, four hundred forty-two thousand, three hundred twenty-seven".