328314226812 has 144 divisors (see below), whose sum is σ = 949857213312. Its totient is φ = 87002501760.

The previous prime is 328314226789. The next prime is 328314226819. The reversal of 328314226812 is 218622413823.

It is a super-2 number, since 2×328314226812² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328314226819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354483 + ... + 884469.

It is an arithmetic number, because the mean of its divisors is an integer number (6596230648).

Almost surely, 2^328314226812 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 328314226812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474928606656).

328314226812 is an abundant number, since it is smaller than the sum of its proper divisors (621542986500).

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

328314226812 is a wasteful number, since it uses less digits than its factorization.

328314226812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530056 (or 530035 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The spelling of 328314226812 in words is "three hundred twenty-eight billion, three hundred fourteen million, two hundred twenty-six thousand, eight hundred twelve".