1329320422080 has 336 divisors, whose sum is σ = 5228561145600. Its totient is φ = 303666407424.

The previous prime is 1329320422063. The next prime is 1329320422081. The reversal of 1329320422080 is 802240239231.

1329320422080 is a `hidden beast` number, since 1 + 32 + 9 + 320 + 4 + 220 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1329320422081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36007471 + ... + 36044369.

Almost surely, 2^{1329320422080} is an apocalyptic number.

1329320422080 is a gapful number since it is divisible by the number (10) 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 1329320422080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2614280572800).

1329320422080 is an abundant number, since it is smaller than the sum of its proper divisors (3899240723520).

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

1329320422080 is a wasteful number, since it uses less digits than its factorization.

1329320422080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38716 (or 38703 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 1329320422080 in words is "one trillion, three hundred twenty-nine billion, three hundred twenty million, four hundred twenty-two thousand, eighty".