328235932416 has 144 divisors (see below), whose sum is σ = 999708691968. Its totient is φ = 93657292800.

The previous prime is 328235932403. The next prime is 328235932471. The reversal of 328235932416 is 614239532823.

It is a happy number.

It is a super-3 number, since 3×328235932416³ (a number of 36 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4051021 + ... + 4131251.

It is an arithmetic number, because the mean of its divisors is an integer number (6942421472).

Almost surely, 2^328235932416 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 328235932416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499854345984).

328235932416 is an abundant number, since it is smaller than the sum of its proper divisors (671472759552).

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

328235932416 is an equidigital number, since it uses as much as digits as its factorization.

328235932416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81018 (or 81004 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 48.

The spelling of 328235932416 in words is "three hundred twenty-eight billion, two hundred thirty-five million, nine hundred thirty-two thousand, four hundred sixteen".