1330021792 has 96 divisors (see below), whose sum is σ = 3089560320. Its totient is φ = 556769280.

The previous prime is 1330021789. The next prime is 1330021807. The reversal of 1330021792 is 2971200331.

It is a self number, because there is not a number n which added to its sum of digits gives 1330021792.

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 15 ways as a sum of consecutive naturals, for example, 278884 + ... + 283612.

It is an arithmetic number, because the mean of its divisors is an integer number (32182920).

Almost surely, 2^1330021792 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 1330021792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544780160).

1330021792 is an abundant number, since it is smaller than the sum of its proper divisors (1759538528).

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

1330021792 is a wasteful number, since it uses less digits than its factorization.

1330021792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1330021792 is about 36469.4638293463. The cubic root of 1330021792 is about 1099.7304551680.

The spelling of 1330021792 in words is "one billion, three hundred thirty million, twenty-one thousand, seven hundred ninety-two".