1328449548608 has 112 divisors (see below), whose sum is σ = 3245449683840. Its totient is φ = 525383829504.

The previous prime is 1328449548593. The next prime is 1328449548617. The reversal of 1328449548608 is 8068459448231.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20578910 + ... + 20643362.

It is an arithmetic number, because the mean of its divisors is an integer number (28977229320).

Almost surely, 2^{1328449548608} 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 1328449548608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622724841920).

1328449548608 is an abundant number, since it is smaller than the sum of its proper divisors (1917000135232).

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

1328449548608 is a wasteful number, since it uses less digits than its factorization.

1328449548608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68024 (or 68014 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 62.

The spelling of 1328449548608 in words is "one trillion, three hundred twenty-eight billion, four hundred forty-nine million, five hundred forty-eight thousand, six hundred eight".