1800816424 has 32 divisors (see below), whose sum is σ = 3699756000. Its totient is φ = 814937920.

The previous prime is 1800816403. The next prime is 1800816427. The reversal of 1800816424 is 4246180081.

It is a self number, because there is not a number n which added to its sum of digits gives 1800816424.

It is not an unprimeable number, because it can be changed into a prime (1800816427) 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, 25099 + ... + 65050.

It is an arithmetic number, because the mean of its divisors is an integer number (115617375).

Almost surely, 2^1800816424 is an apocalyptic number.

It is an amenable number.

1800816424 is an abundant number, since it is smaller than the sum of its proper divisors (1898939576).

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

1800816424 is a wasteful number, since it uses less digits than its factorization.

1800816424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90393 (or 90389 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1800816424 is about 42436.0274295321. The cubic root of 1800816424 is about 1216.6242844893.

The spelling of 1800816424 in words is "one billion, eight hundred million, eight hundred sixteen thousand, four hundred twenty-four".