1328445380356 has 24 divisors (see below), whose sum is σ = 2335462053120. Its totient is φ = 661171166112.

The previous prime is 1328445380329. The next prime is 1328445380357. The reversal of 1328445380356 is 6530835448231.

It is not an unprimeable number, because it can be changed into a prime (1328445380357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8511735 + ... + 8666401.

It is an arithmetic number, because the mean of its divisors is an integer number (97310918880).

Almost surely, 2^{1328445380356} is an apocalyptic number.

It is an amenable number.

1328445380356 is a deficient number, since it is larger than the sum of its proper divisors (1007016672764).

1328445380356 is a wasteful number, since it uses less digits than its factorization.

1328445380356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164523 (or 164521 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 1328445380356 in words is "one trillion, three hundred twenty-eight billion, four hundred forty-five million, three hundred eighty thousand, three hundred fifty-six".