329798622720 has 320 divisors, whose sum is σ = 1206591344640. Its totient is φ = 75279433728.

The previous prime is 329798622707. The next prime is 329798622721. The reversal of 329798622720 is 27226897923.

It is a tau number, because it is divible by the number of its divisors (320).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329798622721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43488049 + ... + 43495631.

It is an arithmetic number, because the mean of its divisors is an integer number (3770597952).

Almost surely, 2^329798622720 is an apocalyptic number.

329798622720 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 329798622720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603295672320).

329798622720 is an abundant number, since it is smaller than the sum of its proper divisors (876792721920).

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

329798622720 is an equidigital number, since it uses as much as digits as its factorization.

329798622720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425 (or 8409 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 329798622720 in words is "three hundred twenty-nine billion, seven hundred ninety-eight million, six hundred twenty-two thousand, seven hundred twenty".