1343317379840 has 72 divisors (see below), whose sum is σ = 3328618965840. Its totient is φ = 518798422016.

The previous prime is 1343317379713. The next prime is 1343317379909. The reversal of 1343317379840 is 489737133431.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 18057134 + ... + 18131373.

It is an arithmetic number, because the mean of its divisors is an integer number (46230818970).

Almost surely, 2^{1343317379840} is an apocalyptic number.

1343317379840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343317379840 is an abundant number, since it is smaller than the sum of its proper divisors (1985301586000).

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

1343317379840 is an equidigital number, since it uses as much as digits as its factorization.

1343317379840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36188557 (or 36188543 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 1343317379840 in words is "one trillion, three hundred forty-three billion, three hundred seventeen million, three hundred seventy-nine thousand, eight hundred forty".