1800536836 has 24 divisors (see below), whose sum is σ = 3628570176. Its totient is φ = 765766560.

The previous prime is 1800536831. The next prime is 1800536867. The reversal of 1800536836 is 6386350081.

It is not an unprimeable number, because it can be changed into a prime (1800536831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241771 + ... + 249106.

It is an arithmetic number, because the mean of its divisors is an integer number (151190424).

Almost surely, 2^1800536836 is an apocalyptic number.

It is an amenable number.

1800536836 is an abundant number, since it is smaller than the sum of its proper divisors (1828033340).

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

1800536836 is a wasteful number, since it uses less digits than its factorization.

1800536836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491019 (or 491017 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1800536836 is about 42432.7330724760. The cubic root of 1800536836 is about 1216.5613183903.

The spelling of 1800536836 in words is "one billion, eight hundred million, five hundred thirty-six thousand, eight hundred thirty-six".