328173330440 has 32 divisors (see below), whose sum is σ = 738437391000. Its totient is φ = 131260905984.

The previous prime is 328173330439. The next prime is 328173330449. The reversal of 328173330440 is 44033371823.

It can be written as a sum of positive squares in 4 ways, for example, as 139127508004 + 189045822436 = 372998^2 + 434794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 328173330394 and 328173330403.

It is not an unprimeable number, because it can be changed into a prime (328173330449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387476 + ... + 898044.

Almost surely, 2^328173330440 is an apocalyptic number.

It is an amenable number.

328173330440 is an abundant number, since it is smaller than the sum of its proper divisors (410264060560).

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

328173330440 is a wasteful number, since it uses less digits than its factorization.

328173330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526649 (or 526645 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 328173330440 in words is "three hundred twenty-eight billion, one hundred seventy-three million, three hundred thirty thousand, four hundred forty".