328243834340 has 12 divisors (see below), whose sum is σ = 689312052156. Its totient is φ = 131297533728.

The previous prime is 328243834327. The next prime is 328243834363. The reversal of 328243834340 is 43438342823.

It can be written as a sum of positive squares in 2 ways, for example, as 32882019556 + 295361814784 = 181334^2 + 543472^2 .

It is a junction number, because it is equal to n+sod(n) for n = 328243834291 and 328243834300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206095839 + ... + 8206095878.

It is an arithmetic number, because the mean of its divisors is an integer number (57442671013).

Almost surely, 2^328243834340 is an apocalyptic number.

It is an amenable number.

328243834340 is an abundant number, since it is smaller than the sum of its proper divisors (361068217816).

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

328243834340 is a wasteful number, since it uses less digits than its factorization.

328243834340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16412191726 (or 16412191724 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 328243834340 in words is "three hundred twenty-eight billion, two hundred forty-three million, eight hundred thirty-four thousand, three hundred forty".