1328384342384 has 20 divisors (see below), whose sum is σ = 2807721451320. Its totient is φ = 603811064640.

The previous prime is 1328384342381. The next prime is 1328384342399. The reversal of 1328384342384 is 4832434838231.

It is a super-2 number, since 2×1328384342384² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328384342381) 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 3 ways as a sum of consecutive naturals, for example, 3773818979 + ... + 3773819330.

It is an arithmetic number, because the mean of its divisors is an integer number (140386072566).

Almost surely, 2^{1328384342384} is an apocalyptic number.

It is an amenable number.

1328384342384 is an abundant number, since it is smaller than the sum of its proper divisors (1479337108936).

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

1328384342384 is a wasteful number, since it uses less digits than its factorization.

1328384342384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547638328 (or 7547638322 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 53.

The spelling of 1328384342384 in words is "one trillion, three hundred twenty-eight billion, three hundred eighty-four million, three hundred forty-two thousand, three hundred eighty-four".