1328010180 has 96 divisors (see below), whose sum is σ = 4278355200. Its totient is φ = 301493760.

The previous prime is 1328010163. The next prime is 1328010181. The reversal of 1328010180 is 810108231.

It is a super-2 number, since 2×1328010180² = 3527222076367264800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1328010180.

It is not an unprimeable number, because it can be changed into a prime (1328010181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51970 + ... + 73190.

It is an arithmetic number, because the mean of its divisors is an integer number (44566200).

Almost surely, 2^1328010180 is an apocalyptic number.

1328010180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328010180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2139177600).

1328010180 is an abundant number, since it is smaller than the sum of its proper divisors (2950345020).

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

1328010180 is a wasteful number, since it uses less digits than its factorization.

1328010180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21389 (or 21387 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1328010180 is about 36441.8739913304. The cubic root of 1328010180 is about 1099.1757406415.

The spelling of 1328010180 in words is "one billion, three hundred twenty-eight million, ten thousand, one hundred eighty".