328499730712 has 16 divisors (see below), whose sum is σ = 615964658400. Its totient is φ = 164242488480.

The previous prime is 328499730697. The next prime is 328499730781. The reversal of 328499730712 is 217037994823.

It is a happy number.

It is a congruent number.

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, 730512 + ... + 1091167.

It is an arithmetic number, because the mean of its divisors is an integer number (38497791150).

Almost surely, 2^328499730712 is an apocalyptic number.

It is an amenable number.

328499730712 is a deficient number, since it is larger than the sum of its proper divisors (287464927688).

328499730712 is a wasteful number, since it uses less digits than its factorization.

328499730712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844226 (or 1844222 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 328499730712 in words is "three hundred twenty-eight billion, four hundred ninety-nine million, seven hundred thirty thousand, seven hundred twelve".