328069737728 has 36 divisors (see below), whose sum is σ = 654951003588. Its totient is φ = 164011560960.

The previous prime is 328069737691. The next prime is 328069737767. The reversal of 328069737728 is 827737960823.

It can be written as a sum of positive squares in 2 ways, for example, as 5318493184 + 322751244544 = 72928^2 + 568112^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789868 + ... + 1964628.

It is an arithmetic number, because the mean of its divisors is an integer number (18193083433).

Almost surely, 2^328069737728 is an apocalyptic number.

It is an amenable number.

328069737728 is a deficient number, since it is larger than the sum of its proper divisors (326881265860).

328069737728 is an equidigital number, since it uses as much as digits as its factorization.

328069737728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182110 (or 182096 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 328069737728 in words is "three hundred twenty-eight billion, sixty-nine million, seven hundred thirty-seven thousand, seven hundred twenty-eight".