329377299680 has 768 divisors, whose sum is σ = 1000782397440. Its totient is φ = 100673126400.

The previous prime is 329377299677. The next prime is 329377299737. The reversal of 329377299680 is 86992773923.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1724488385 + ... + 1724488575.

It is an arithmetic number, because the mean of its divisors is an integer number (1303102080).

Almost surely, 2^329377299680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 329377299680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500391198720).

329377299680 is an abundant number, since it is smaller than the sum of its proper divisors (671405097760).

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

329377299680 is a wasteful number, since it uses less digits than its factorization.

329377299680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 65.

The spelling of 329377299680 in words is "three hundred twenty-nine billion, three hundred seventy-seven million, two hundred ninety-nine thousand, six hundred eighty".