814804180 has 12 divisors (see below), whose sum is σ = 1711088820. Its totient is φ = 325921664.

The previous prime is 814804163. The next prime is 814804201. The reversal of 814804180 is 81408418.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120165444 + 694638736 = 10962^2 + 26356^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 20370085 + ... + 20370124.

It is an arithmetic number, because the mean of its divisors is an integer number (142590735).

Almost surely, 2^814804180 is an apocalyptic number.

It is an amenable number.

814804180 is an abundant number, since it is smaller than the sum of its proper divisors (896284640).

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

814804180 is a wasteful number, since it uses less digits than its factorization.

814804180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40740218 (or 40740216 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 814804180 is about 28544.7750034923. The cubic root of 814804180 is about 934.0090466777.

The spelling of 814804180 in words is "eight hundred fourteen million, eight hundred four thousand, one hundred eighty".