1320036040344 has 128 divisors (see below), whose sum is σ = 3877888089600. Its totient is φ = 366585922560.

The previous prime is 1320036040319. The next prime is 1320036040363. The reversal of 1320036040344 is 4430406300231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496659 + ... + 2209085.

It is an arithmetic number, because the mean of its divisors is an integer number (30296000700).

Almost surely, 2^{1320036040344} is an apocalyptic number.

1320036040344 is a gapful number since it is divisible by the number (14) 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 1320036040344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1938944044800).

1320036040344 is an abundant number, since it is smaller than the sum of its proper divisors (2557852049256).

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

1320036040344 is a wasteful number, since it uses less digits than its factorization.

1320036040344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712753 (or 712749 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 1320036040344 in words is "one trillion, three hundred twenty billion, thirty-six million, forty thousand, three hundred forty-four".