1800066244 has 12 divisors (see below), whose sum is σ = 3167715600. Its totient is φ = 895004648.

The previous prime is 1800066217. The next prime is 1800066277. The reversal of 1800066244 is 4426600081.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256314 + ... + 1257745.

It is an arithmetic number, because the mean of its divisors is an integer number (263976300).

Almost surely, 2^1800066244 is an apocalyptic number.

It is an amenable number.

1800066244 is a deficient number, since it is larger than the sum of its proper divisors (1367649356).

1800066244 is a wasteful number, since it uses less digits than its factorization.

1800066244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514242 (or 2514240 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1800066244 is about 42427.1875570371. The cubic root of 1800066244 is about 1216.4553215016.

The spelling of 1800066244 in words is "one billion, eight hundred million, sixty-six thousand, two hundred forty-four".