328555762860 has 288 divisors, whose sum is σ = 1057640576832. Its totient is φ = 75910348800.

The previous prime is 328555762859. The next prime is 328555762889. The reversal of 328555762860 is 68267555823.

It is a self number, because there is not a number n which added to its sum of digits gives 328555762860.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68432460 + ... + 68437260.

It is an arithmetic number, because the mean of its divisors is an integer number (3672363114).

Almost surely, 2^328555762860 is an apocalyptic number.

328555762860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328555762860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528820288416).

328555762860 is an abundant number, since it is smaller than the sum of its proper divisors (729084813972).

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

328555762860 is a wasteful number, since it uses less digits than its factorization.

328555762860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 328555762860 in words is "three hundred twenty-eight billion, five hundred fifty-five million, seven hundred sixty-two thousand, eight hundred sixty".