1840000668 has 48 divisors (see below), whose sum is σ = 4763041920. Its totient is φ = 548123200.

The previous prime is 1840000651. The next prime is 1840000693. The reversal of 1840000668 is 8660000481.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110343 + ... + 125918.

It is an arithmetic number, because the mean of its divisors is an integer number (99230040).

Almost surely, 2^1840000668 is an apocalyptic number.

It is an amenable number.

1840000668 is an abundant number, since it is smaller than the sum of its proper divisors (2923041252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1840000668 is a wasteful number, since it uses less digits than its factorization.

1840000668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236338 (or 236336 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1840000668 is about 42895.2289654689. The cubic root of 1840000668 is about 1225.3852833350.

The spelling of 1840000668 in words is "one billion, eight hundred forty million, six hundred sixty-eight", and thus it is an aban number.