2044071866 has 8 divisors (see below), whose sum is σ = 3078830964. Its totient is φ = 1017794880.

The previous prime is 2044071863. The next prime is 2044071871. The reversal of 2044071866 is 6681704402.

It can be written as a sum of positive squares in 2 ways, for example, as 1925893225 + 118178641 = 43885^2 + 10871^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2044071863) 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 3 ways as a sum of consecutive naturals, for example, 2119925 + ... + 2120888.

Almost surely, 2^2044071866 is an apocalyptic number.

2044071866 is a deficient number, since it is larger than the sum of its proper divisors (1034759098).

2044071866 is a wasteful number, since it uses less digits than its factorization.

2044071866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241056.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 2044071866 is about 45211.4130060099. The cubic root of 2044071866 is about 1269.1084047325.

The spelling of 2044071866 in words is "two billion, forty-four million, seventy-one thousand, eight hundred sixty-six".