1328530368 has 224 divisors, whose sum is σ = 4023360000. Its totient is φ = 383201280.

The previous prime is 1328530367. The next prime is 1328530381. The reversal of 1328530368 is 8630358231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328530367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6675933 + ... + 6676131.

Almost surely, 2^1328530368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328530368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2011680000).

1328530368 is an abundant number, since it is smaller than the sum of its proper divisors (2694829632).

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

1328530368 is a wasteful number, since it uses less digits than its factorization.

1328530368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1328530368 is about 36449.0105215491. The cubic root of 1328530368 is about 1099.3192393884.

Adding to 1328530368 its reverse (8630358231), we get a palindrome (9958888599).

The spelling of 1328530368 in words is "one billion, three hundred twenty-eight million, five hundred thirty thousand, three hundred sixty-eight".