1320347280560 has 320 divisors, whose sum is σ = 3981934854144. Its totient is φ = 395118259200.

The previous prime is 1320347280503. The next prime is 1320347280599. The reversal of 1320347280560 is 650827430231.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 24224699 + ... + 24279141.

Almost surely, 2^{1320347280560} is an apocalyptic number.

1320347280560 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 1320347280560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1990967427072).

1320347280560 is an abundant number, since it is smaller than the sum of its proper divisors (2661587573584).

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

1320347280560 is a wasteful number, since it uses less digits than its factorization.

1320347280560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54632 (or 54626 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 1320347280560 in words is "one trillion, three hundred twenty billion, three hundred forty-seven million, two hundred eighty thousand, five hundred sixty".