328600000040 has 64 divisors (see below), whose sum is σ = 798783672960. Its totient is φ = 120939045120.

The previous prime is 328600000037. The next prime is 328600000049. The reversal of 328600000040 is 40000006823.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 328599999961 and 328600000015.

It is not an unprimeable number, because it can be changed into a prime (328600000049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854234 + ... + 1177673.

It is an arithmetic number, because the mean of its divisors is an integer number (12480994890).

Almost surely, 2^328600000040 is an apocalyptic number.

It is an amenable number.

328600000040 is an abundant number, since it is smaller than the sum of its proper divisors (470183672920).

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

328600000040 is a wasteful number, since it uses less digits than its factorization.

328600000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032242 (or 2032238 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 328600000040 its reverse (40000006823), we get a palindrome (368600006863).

The spelling of 328600000040 in words is "three hundred twenty-eight billion, six hundred million, forty", and thus it is an aban number.