1320344307860 has 24 divisors (see below), whose sum is σ = 2773117027296. Its totient is φ = 528062679200.

The previous prime is 1320344307857. The next prime is 1320344307959. The reversal of 1320344307860 is 687034430231.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4545866 + ... + 4827585.

It is an arithmetic number, because the mean of its divisors is an integer number (115546542804).

Almost surely, 2^{1320344307860} is an apocalyptic number.

1320344307860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320344307860 is an abundant number, since it is smaller than the sum of its proper divisors (1452772719436).

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

1320344307860 is a wasteful number, since it uses less digits than its factorization.

1320344307860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380503 (or 9380501 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 1320344307860 in words is "one trillion, three hundred twenty billion, three hundred forty-four million, three hundred seven thousand, eight hundred sixty".