13334294909440 has 80 divisors (see below), whose sum is σ = 31975067270520. Its totient is φ = 5333048688640.

The previous prime is 13334294909393. The next prime is 13334294909483. The reversal of 13334294909440 is 4490949243331.

It can be written as a sum of positive squares in 4 ways, for example, as 2434049300736 + 10900245608704 = 1560144^2 + 3301552^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×13334294909440² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20333880 + ... + 20979400.

Almost surely, 2^{13334294909440} is an apocalyptic number.

13334294909440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13334294909440 is an abundant number, since it is smaller than the sum of its proper divisors (18640772361080).

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

13334294909440 is an frugal number, since it uses more digits than its factorization.

13334294909440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653613 (or 653597 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 55.

The spelling of 13334294909440 in words is "thirteen trillion, three hundred thirty-four billion, two hundred ninety-four million, nine hundred nine thousand, four hundred forty".