1329080364 has 72 divisors (see below), whose sum is σ = 3435672240. Its totient is φ = 433060992.

The previous prime is 1329080359. The next prime is 1329080371. The reversal of 1329080364 is 4630809231.

1329080364 is a `hidden beast` number, since 1 + 3 + 290 + 8 + 0 + 364 = 666.

It is a super-2 number, since 2×1329080364² = 3532909227940744992, which contains 22 as substring.

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

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 23 ways as a sum of consecutive naturals, for example, 584622 + ... + 586890.

It is an arithmetic number, because the mean of its divisors is an integer number (47717670).

Almost surely, 2^1329080364 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 1329080364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717836120).

1329080364 is an abundant number, since it is smaller than the sum of its proper divisors (2106591876).

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

1329080364 is a wasteful number, since it uses less digits than its factorization.

1329080364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1329080364 is about 36456.5544724128. The cubic root of 1329080364 is about 1099.4709202188.

Adding to 1329080364 its reverse (4630809231), we get a palindrome (5959889595).

The spelling of 1329080364 in words is "one billion, three hundred twenty-nine million, eighty thousand, three hundred sixty-four".