1330297344 has 100 divisors (see below), whose sum is σ = 3970711074. Its totient is φ = 443418624.

The previous prime is 1330297337. The next prime is 1330297351. The reversal of 1330297344 is 4437920331.

1330297344 is a `hidden beast` number, since 1 + 3 + 302 + 9 + 7 + 344 = 666.

It is an interprime number because it is at equal distance from previous prime (1330297337) and next prime (1330297351).

It can be written as a sum of positive squares in only one way, i.e., 709689600 + 620607744 = 26640^2 + 24912^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1330297299 and 1330297308.

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 9 ways as a sum of consecutive naturals, for example, 25434 + ... + 57510.

Almost surely, 2^1330297344 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 1330297344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985355537).

1330297344 is an abundant number, since it is smaller than the sum of its proper divisors (2640413730).

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

1330297344 is an frugal number, since it uses more digits than its factorization.

1330297344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32107 (or 32082 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 1330297344 is about 36473.2414791995. The cubic root of 1330297344 is about 1099.8063967813.

The spelling of 1330297344 in words is "one billion, three hundred thirty million, two hundred ninety-seven thousand, three hundred forty-four".