800355530 has 32 divisors (see below), whose sum is σ = 1553202000. Its totient is φ = 295183872.

The previous prime is 800355497. The next prime is 800355553. The reversal of 800355530 is 35553008.

It can be written as a sum of positive squares in 8 ways, for example, as 198781801 + 601573729 = 14099^2 + 24527^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 800355493 and 800355502.

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, 133436 + ... + 139304.

Almost surely, 2^800355530 is an apocalyptic number.

800355530 is a deficient number, since it is larger than the sum of its proper divisors (752846470).

800355530 is a wasteful number, since it uses less digits than its factorization.

800355530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 800355530 is about 28290.5554911882. Note that the first 3 decimals coincide. The cubic root of 800355530 is about 928.4552650291.

The spelling of 800355530 in words is "eight hundred million, three hundred fifty-five thousand, five hundred thirty".