803218180 has 24 divisors (see below), whose sum is σ = 1718586072. Its totient is φ = 315224832.

The previous prime is 803218151. The next prime is 803218181. The reversal of 803218180 is 81812308.

It can be written as a sum of positive squares in 4 ways, for example, as 114575616 + 688642564 = 10704^2 + 26242^2 .

It is not an unprimeable number, because it can be changed into a prime (803218181) 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, 377817 + ... + 379936.

It is an arithmetic number, because the mean of its divisors is an integer number (71607753).

Almost surely, 2^803218180 is an apocalyptic number.

It is an amenable number.

803218180 is an abundant number, since it is smaller than the sum of its proper divisors (915367892).

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

803218180 is a wasteful number, since it uses less digits than its factorization.

803218180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757815 (or 757813 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 803218180 is about 28341.1040716483. The cubic root of 803218180 is about 929.5608903243.

The spelling of 803218180 in words is "eight hundred three million, two hundred eighteen thousand, one hundred eighty".