328460863488 has 192 divisors, whose sum is σ = 959173488000. Its totient is φ = 99492298752.

The previous prime is 328460863477. The next prime is 328460863501. The reversal of 328460863488 is 884368064823.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×328460863488² (a number of 24 digits) contains 22 as substring.

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, 2974773 + ... + 3083211.

It is an arithmetic number, because the mean of its divisors is an integer number (4995695250).

Almost surely, 2^328460863488 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 328460863488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479586744000).

328460863488 is an abundant number, since it is smaller than the sum of its proper divisors (630712624512).

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

328460863488 is a wasteful number, since it uses less digits than its factorization.

328460863488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108510 (or 108490 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 60.

The spelling of 328460863488 in words is "three hundred twenty-eight billion, four hundred sixty million, eight hundred sixty-three thousand, four hundred eighty-eight".