1329942592 has 56 divisors (see below), whose sum is σ = 2907133632. Its totient is φ = 598617600.

The previous prime is 1329942587. The next prime is 1329942611. The reversal of 1329942592 is 2952499231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63342 + ... + 81682.

Almost surely, 2^1329942592 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 1329942592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453566816).

1329942592 is an abundant number, since it is smaller than the sum of its proper divisors (1577191040).

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

1329942592 is a wasteful number, since it uses less digits than its factorization.

1329942592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467 (or 18457 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 1329942592 is about 36468.3779732524. The cubic root of 1329942592 is about 1099.7086258563.

The spelling of 1329942592 in words is "one billion, three hundred twenty-nine million, nine hundred forty-two thousand, five hundred ninety-two".