1328336383280 has 80 divisors (see below), whose sum is σ = 3154625841024. Its totient is φ = 519941606400.

The previous prime is 1328336383273. The next prime is 1328336383301. The reversal of 1328336383280 is 823836338231.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24988730 + ... + 25041830.

Almost surely, 2^{1328336383280} is an apocalyptic number.

1328336383280 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 1328336383280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577312920512).

1328336383280 is an abundant number, since it is smaller than the sum of its proper divisors (1826289457744).

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

1328336383280 is a wasteful number, since it uses less digits than its factorization.

1328336383280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59814 (or 59808 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 1328336383280 in words is "one trillion, three hundred twenty-eight billion, three hundred thirty-six million, three hundred eighty-three thousand, two hundred eighty".