13440020541200 has 120 divisors (see below), whose sum is σ = 37297135285920. Its totient is φ = 4599793100800.

The previous prime is 13440020541197. The next prime is 13440020541203. The reversal of 13440020541200 is 214502004431.

It is an interprime number because it is at equal distance from previous prime (13440020541197) and next prime (13440020541203).

It is a self number, because there is not a number n which added to its sum of digits gives 13440020541200.

It is not an unprimeable number, because it can be changed into a prime (13440020541203) 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 23 ways as a sum of consecutive naturals, for example, 89764910 + ... + 89914509.

It is an arithmetic number, because the mean of its divisors is an integer number (310809460716).

Almost surely, 2^{13440020541200} is an apocalyptic number.

13440020541200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13440020541200 is an abundant number, since it is smaller than the sum of its proper divisors (23857114744720).

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

13440020541200 is a wasteful number, since it uses less digits than its factorization.

13440020541200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179679465 (or 179679454 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 13440020541200 its reverse (214502004431), we get a palindrome (13654522545631).

The spelling of 13440020541200 in words is "thirteen trillion, four hundred forty billion, twenty million, five hundred forty-one thousand, two hundred".