818441728005 has 64 divisors (see below), whose sum is σ = 1459113523200. Its totient is φ = 388389937920.

The previous prime is 818441727977. The next prime is 818441728019. The reversal of 818441728005 is 500827144818.

It is not a de Polignac number, because 818441728005 - 2⁵ = 818441727973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2045752 + ... + 2412878.

It is an arithmetic number, because the mean of its divisors is an integer number (22798648800).

Almost surely, 2^818441728005 is an apocalyptic number.

It is an amenable number.

818441728005 is a deficient number, since it is larger than the sum of its proper divisors (640671795195).

818441728005 is a wasteful number, since it uses less digits than its factorization.

818441728005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367434.

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 818441728005 in words is "eight hundred eighteen billion, four hundred forty-one million, seven hundred twenty-eight thousand, five".