1944806111 has 8 divisors (see below), whose sum is σ = 2008771200. Its totient is φ = 1880917920.

The previous prime is 1944806081. The next prime is 1944806113. The reversal of 1944806111 is 1116084491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1944806111 - 2²² = 1940611807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944806113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34625 + ... + 71333.

It is an arithmetic number, because the mean of its divisors is an integer number (251096400).

Almost surely, 2^1944806111 is an apocalyptic number.

1944806111 is a deficient number, since it is larger than the sum of its proper divisors (63965089).

1944806111 is a wasteful number, since it uses less digits than its factorization.

1944806111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38449.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1944806111 is about 44099.9559070074. The cubic root of 1944806111 is about 1248.2227780633. Note that the first 3 decimals are identical.

The spelling of 1944806111 in words is "one billion, nine hundred forty-four million, eight hundred six thousand, one hundred eleven".