1800422832 has 80 divisors (see below), whose sum is σ = 5131109088. Its totient is φ = 540456960.

The previous prime is 1800422809. The next prime is 1800422891. The reversal of 1800422832 is 2382240081.

It is a self number, because there is not a number n which added to its sum of digits gives 1800422832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9603 + ... + 60770.

Almost surely, 2^1800422832 is an apocalyptic number.

1800422832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1800422832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2565554544).

1800422832 is an abundant number, since it is smaller than the sum of its proper divisors (3330686256).

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

1800422832 is a wasteful number, since it uses less digits than its factorization.

1800422832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70438 (or 70432 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1800422832 is about 42431.3897014934. The cubic root of 1800422832 is about 1216.5356416438.

The spelling of 1800422832 in words is "one billion, eight hundred million, four hundred twenty-two thousand, eight hundred thirty-two".