328639269156 has 48 divisors (see below), whose sum is σ = 836609292288. Its totient is φ = 99578970400.

The previous prime is 328639269137. The next prime is 328639269169. The reversal of 328639269156 is 651962936823.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 328639269156.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500361 + ... + 1705391.

It is an arithmetic number, because the mean of its divisors is an integer number (17429360256).

Almost surely, 2^328639269156 is an apocalyptic number.

It is an amenable number.

328639269156 is an abundant number, since it is smaller than the sum of its proper divisors (507970023132).

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

328639269156 is a wasteful number, since it uses less digits than its factorization.

328639269156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217192 (or 217190 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 60.

It can be divided in two parts, 328639 and 269156, that added together give a palindrome (597795).

The spelling of 328639269156 in words is "three hundred twenty-eight billion, six hundred thirty-nine million, two hundred sixty-nine thousand, one hundred fifty-six".