329768981899040 has 48 divisors (see below), whose sum is σ = 782422907463288. Its totient is φ = 131341465737216.

The previous prime is 329768981899033. The next prime is 329768981899099. The reversal of 329768981899040 is 40998189867923.

It can be written as a sum of positive squares in 4 ways, for example, as 263487043856656 + 66281938042384 = 16232284^2 + 8141372^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 329768981899040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422829967 + ... + 4422904526.

Almost surely, 2^{329768981899040} is an apocalyptic number.

It is an amenable number.

329768981899040 is an abundant number, since it is smaller than the sum of its proper divisors (452653925564248).

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

329768981899040 is a wasteful number, since it uses less digits than its factorization.

329768981899040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845734741 (or 8845734733 counting only the distinct ones).

The product of its (nonzero) digits is 3386105856, while the sum is 83.

The spelling of 329768981899040 in words is "three hundred twenty-nine trillion, seven hundred sixty-eight billion, nine hundred eighty-one million, eight hundred ninety-nine thousand, forty".