13451445440000 has 200 divisors, whose sum is σ = 33595786938120. Its totient is φ = 5378853888000.

The previous prime is 13451445439969. The next prime is 13451445440029. The reversal of 13451445440000 is 4454415431.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent 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 19 ways as a sum of consecutive naturals, for example, 1570875719 + ... + 1570884281.

Almost surely, 2^{13451445440000} is an apocalyptic number.

13451445440000 is a gapful number since it is divisible by the number (10) 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 13451445440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16797893469060).

13451445440000 is an abundant number, since it is smaller than the sum of its proper divisors (20144341498120).

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

13451445440000 is an frugal number, since it uses more digits than its factorization.

13451445440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510 (or 13479 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 13451445440000 its reverse (4454415431), we get a palindrome (13455899855431).

The spelling of 13451445440000 in words is "thirteen trillion, four hundred fifty-one billion, four hundred forty-five million, four hundred forty thousand".