13340988604944 has 600 divisors, whose sum is σ = 52128534756672. Its totient is φ = 3198634583040.

The previous prime is 13340988604921. The next prime is 13340988604963. The reversal of 13340988604944 is 44940688904331.

It is a happy number.

13340988604944 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 0 + 9 + 88 + 60 + 494 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 16469322 + ... + 17260374.

Almost surely, 2^{13340988604944} is an apocalyptic number.

13340988604944 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 13340988604944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26064267378336).

13340988604944 is an abundant number, since it is smaller than the sum of its proper divisors (38787546151728).

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

13340988604944 is a wasteful number, since it uses less digits than its factorization.

13340988604944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791117 (or 791089 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 63.

The spelling of 13340988604944 in words is "thirteen trillion, three hundred forty billion, nine hundred eighty-eight million, six hundred four thousand, nine hundred forty-four".