328727530560 has 448 divisors, whose sum is σ = 1228480452864. Its totient is φ = 73423257600.

The previous prime is 328727530543. The next prime is 328727530577. The reversal of 328727530560 is 65035727823.

It is an interprime number because it is at equal distance from previous prime (328727530543) and next prime (328727530577).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84699820 + ... + 84703700.

It is an arithmetic number, because the mean of its divisors is an integer number (2742143868).

Almost surely, 2^328727530560 is an apocalyptic number.

328727530560 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 328727530560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614240226432).

328727530560 is an abundant number, since it is smaller than the sum of its proper divisors (899752922304).

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

328727530560 is a wasteful number, since it uses less digits than its factorization.

328727530560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 328727530560 in words is "three hundred twenty-eight billion, seven hundred twenty-seven million, five hundred thirty thousand, five hundred sixty".