1344064333840 has 20 divisors (see below), whose sum is σ = 3124949576364. Its totient is φ = 537625733504.

The previous prime is 1344064333823. The next prime is 1344064333867. The reversal of 1344064333840 is 483334604431.

It can be written as a sum of positive squares in 2 ways, for example, as 339194419216 + 1004869914624 = 582404^2 + 1002432^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8400402007 + ... + 8400402166.

Almost surely, 2^{1344064333840} is an apocalyptic number.

1344064333840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344064333840 is an abundant number, since it is smaller than the sum of its proper divisors (1780885242524).

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

1344064333840 is a wasteful number, since it uses less digits than its factorization.

1344064333840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16800804186 (or 16800804180 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 43.

The spelling of 1344064333840 in words is "one trillion, three hundred forty-four billion, sixty-four million, three hundred thirty-three thousand, eight hundred forty".