328542782523428 has 12 divisors (see below), whose sum is σ = 627218039362992. Its totient is φ = 149337628419720.

The previous prime is 328542782523421. The next prime is 328542782523437. The reversal of 328542782523428 is 824325287245823.

It is not an unprimeable number, because it can be changed into a prime (328542782523421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3733440710450 + ... + 3733440710537.

It is an arithmetic number, because the mean of its divisors is an integer number (52268169946916).

Almost surely, 2^{328542782523428} is an apocalyptic number.

It is an amenable number.

328542782523428 is a deficient number, since it is larger than the sum of its proper divisors (298675256839564).

328542782523428 is a wasteful number, since it uses less digits than its factorization.

328542782523428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466881421002 (or 7466881421000 counting only the distinct ones).

The product of its digits is 412876800, while the sum is 65.

The spelling of 328542782523428 in words is "three hundred twenty-eight trillion, five hundred forty-two billion, seven hundred eighty-two million, five hundred twenty-three thousand, four hundred twenty-eight".