818401474460 has 48 divisors (see below), whose sum is σ = 1744693386240. Its totient is φ = 322400865600.

The previous prime is 818401474441. The next prime is 818401474489. The reversal of 818401474460 is 64474104818.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5987885 + ... + 6123035.

It is an arithmetic number, because the mean of its divisors is an integer number (36347778880).

Almost surely, 2^818401474460 is an apocalyptic number.

It is an amenable number.

818401474460 is an abundant number, since it is smaller than the sum of its proper divisors (926291911780).

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

818401474460 is a wasteful number, since it uses less digits than its factorization.

818401474460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139746 (or 139744 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 818401474460 in words is "eight hundred eighteen billion, four hundred one million, four hundred seventy-four thousand, four hundred sixty".