13240444420320 has 96 divisors (see below), whose sum is σ = 44915661477792. Its totient is φ = 3259186317312.

The previous prime is 13240444420319. The next prime is 13240444420337. The reversal of 13240444420320 is 2302444404231.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×13240444420320³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060926807 + ... + 1060939286.

It is an arithmetic number, because the mean of its divisors is an integer number (467871473727).

Almost surely, 2^{13240444420320} is an apocalyptic number.

13240444420320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240444420320 is an abundant number, since it is smaller than the sum of its proper divisors (31675217057472).

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

13240444420320 is a wasteful number, since it uses less digits than its factorization.

13240444420320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121866124 (or 2121866116 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 13240444420320 its reverse (2302444404231), we get a palindrome (15542888824551).

The spelling of 13240444420320 in words is "thirteen trillion, two hundred forty billion, four hundred forty-four million, four hundred twenty thousand, three hundred twenty".