13365429680640 has 160 divisors (see below), whose sum is σ = 45240997158720. Its totient is φ = 3354460749824.

The previous prime is 13365429680639. The next prime is 13365429680653. The reversal of 13365429680640 is 4608692456331.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 51054450 + ... + 51315569.

It is an arithmetic number, because the mean of its divisors is an integer number (282756232242).

Almost surely, 2^{13365429680640} is an apocalyptic number.

13365429680640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13365429680640 is an abundant number, since it is smaller than the sum of its proper divisors (31875567478080).

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

13365429680640 is a wasteful number, since it uses less digits than its factorization.

13365429680640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102370062 (or 102370046 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 57.

The spelling of 13365429680640 in words is "thirteen trillion, three hundred sixty-five billion, four hundred twenty-nine million, six hundred eighty thousand, six hundred forty".