1328894915796 has 108 divisors (see below), whose sum is σ = 3922004399040. Its totient is φ = 378283076640.

The previous prime is 1328894915783. The next prime is 1328894915807. The reversal of 1328894915796 is 6975194988231.

1328894915796 is a `hidden beast` number, since 1 + 3 + 2 + 8 + 8 + 9 + 49 + 1 + 579 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 911886 + ... + 1867973.

Almost surely, 2^{1328894915796} is an apocalyptic number.

It is an amenable number.

1328894915796 is an abundant number, since it is smaller than the sum of its proper divisors (2593109483244).

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

1328894915796 is a wasteful number, since it uses less digits than its factorization.

1328894915796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780154 (or 2780142 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 72.

The spelling of 1328894915796 in words is "one trillion, three hundred twenty-eight billion, eight hundred ninety-four million, nine hundred fifteen thousand, seven hundred ninety-six".