1328542175730 has 768 divisors, whose sum is σ = 4254495694848. Its totient is φ = 257789952000.

The previous prime is 1328542175711. The next prime is 1328542175747. The reversal of 1328542175730 is 375712458231.

It is a self number, because there is not a number n which added to its sum of digits gives 1328542175730.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 13696311042 + ... + 13696311138.

It is an arithmetic number, because the mean of its divisors is an integer number (5539707936).

Almost surely, 2^{1328542175730} is an apocalyptic number.

1328542175730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328542175730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2127247847424).

1328542175730 is an abundant number, since it is smaller than the sum of its proper divisors (2925953519118).

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

1328542175730 is a wasteful number, since it uses less digits than its factorization.

1328542175730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 1328542175730 in words is "one trillion, three hundred twenty-eight billion, five hundred forty-two million, one hundred seventy-five thousand, seven hundred thirty".