800650818 has 40 divisors (see below), whose sum is σ = 1957150800. Its totient is φ = 242620920.

The previous prime is 800650813. The next prime is 800650831. The reversal of 800650818 is 818056008.

It is not an unprimeable number, because it can be changed into a prime (800650813) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 222868 + ... + 226431.

It is an arithmetic number, because the mean of its divisors is an integer number (48928770).

Almost surely, 2^800650818 is an apocalyptic number.

800650818 is an abundant number, since it is smaller than the sum of its proper divisors (1156499982).

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

800650818 is a wasteful number, since it uses less digits than its factorization.

800650818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449324 (or 449315 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 800650818 is about 28295.7738540581. The cubic root of 800650818 is about 928.5694342859.

The spelling of 800650818 in words is "eight hundred million, six hundred fifty thousand, eight hundred eighteen".