30840828160 has 36 divisors (see below), whose sum is σ = 73873424268. Its totient is φ = 12336330752.

The previous prime is 30840828097. The next prime is 30840828191. The reversal of 30840828160 is 6182804803.

It can be written as a sum of positive squares in 2 ways, for example, as 19145703424 + 11695124736 = 138368^2 + 108144^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 12045919 + ... + 12048478.

It is an arithmetic number, because the mean of its divisors is an integer number (2052039563).

Almost surely, 2^30840828160 is an apocalyptic number.

It is an amenable number.

30840828160 is an abundant number, since it is smaller than the sum of its proper divisors (43032596108).

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

30840828160 is an equidigital number, since it uses as much as digits as its factorization.

30840828160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24094418 (or 24094404 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 30840828160 in words is "thirty billion, eight hundred forty million, eight hundred twenty-eight thousand, one hundred sixty".