328681369452 has 24 divisors (see below), whose sum is σ = 800267682816. Its totient is φ = 104796958288.

The previous prime is 328681369439. The next prime is 328681369459. The reversal of 328681369452 is 254963186823.

It is a junction number, because it is equal to n+sod(n) for n = 328681369392 and 328681369401.

It is not an unprimeable number, because it can be changed into a prime (328681369459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595436988 + ... + 595437539.

It is an arithmetic number, because the mean of its divisors is an integer number (33344486784).

Almost surely, 2^328681369452 is an apocalyptic number.

It is an amenable number.

328681369452 is an abundant number, since it is smaller than the sum of its proper divisors (471586313364).

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

328681369452 is a wasteful number, since it uses less digits than its factorization.

328681369452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190874557 (or 1190874555 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 328681369452 in words is "three hundred twenty-eight billion, six hundred eighty-one million, three hundred sixty-nine thousand, four hundred fifty-two".