13044040301440 has 64 divisors (see below), whose sum is σ = 33017727040560. Its totient is φ = 4910697521152.

The previous prime is 13044040301429. The next prime is 13044040301441. The reversal of 13044040301440 is 4410304044031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 13044040301399 and 13044040301408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044040301441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599439502 + ... + 599461261.

Almost surely, 2^{13044040301440} is an apocalyptic number.

13044040301440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044040301440 is an abundant number, since it is smaller than the sum of its proper divisors (19973686739120).

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

13044040301440 is a wasteful number, since it uses less digits than its factorization.

13044040301440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198900799 (or 1198900787 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13044040301440 its reverse (4410304044031), we get a palindrome (17454344345471).

The spelling of 13044040301440 in words is "thirteen trillion, forty-four billion, forty million, three hundred one thousand, four hundred forty".