329569680 has 160 divisors (see below), whose sum is σ = 1150783488. Its totient is φ = 77299200.

The previous prime is 329569679. The next prime is 329569697. The reversal of 329569680 is 86965923.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 79827 + ... + 83853.

Almost surely, 2^329569680 is an apocalyptic number.

329569680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 329569680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575391744).

329569680 is an abundant number, since it is smaller than the sum of its proper divisors (821213808).

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

329569680 is a wasteful number, since it uses less digits than its factorization.

329569680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085 (or 4079 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 329569680 is about 18154.0540926813. The cubic root of 329569680 is about 690.7418192812.

The spelling of 329569680 in words is "three hundred twenty-nine million, five hundred sixty-nine thousand, six hundred eighty".