329697968740 has 72 divisors (see below), whose sum is σ = 793565035200. Its totient is φ = 112713114624.

The previous prime is 329697968729. The next prime is 329697968779. The reversal of 329697968740 is 47869796923.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 329697968740.

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 23 ways as a sum of consecutive naturals, for example, 17435811 + ... + 17454709.

It is an arithmetic number, because the mean of its divisors is an integer number (11021736600).

Almost surely, 2^329697968740 is an apocalyptic number.

It is an amenable number.

329697968740 is an abundant number, since it is smaller than the sum of its proper divisors (463867066460).

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

329697968740 is a wasteful number, since it uses less digits than its factorization.

329697968740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19621 (or 19266 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 70.

The spelling of 329697968740 in words is "three hundred twenty-nine billion, six hundred ninety-seven million, nine hundred sixty-eight thousand, seven hundred forty".