13448520738840 has 128 divisors (see below), whose sum is σ = 45433125918720. Its totient is φ = 3155078169600.

The previous prime is 13448520738769. The next prime is 13448520738869. The reversal of 13448520738840 is 4883702584431.

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 31 ways as a sum of consecutive naturals, for example, 164286069 + ... + 164367908.

It is an arithmetic number, because the mean of its divisors is an integer number (354946296240).

Almost surely, 2^{13448520738840} is an apocalyptic number.

13448520738840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13448520738840 is an abundant number, since it is smaller than the sum of its proper divisors (31984605179880).

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

13448520738840 is a wasteful number, since it uses less digits than its factorization.

13448520738840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328654033 (or 328654029 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 57.

The spelling of 13448520738840 in words is "thirteen trillion, four hundred forty-eight billion, five hundred twenty million, seven hundred thirty-eight thousand, eight hundred forty".