1320940648704 has 144 divisors (see below), whose sum is σ = 3567428520320. Its totient is φ = 433865687040.

The previous prime is 1320940648639. The next prime is 1320940648787. The reversal of 1320940648704 is 4078460490231.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17020869 + ... + 17098299.

Almost surely, 2^{1320940648704} 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 1320940648704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1783714260160).

1320940648704 is an abundant number, since it is smaller than the sum of its proper divisors (2246487871616).

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

1320940648704 is an equidigital number, since it uses as much as digits as its factorization.

1320940648704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77776 (or 77762 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 1320940648704 in words is "one trillion, three hundred twenty billion, nine hundred forty million, six hundred forty-eight thousand, seven hundred four".