13356848640 has 80 divisors (see below), whose sum is σ = 42700200048. Its totient is φ = 3561824256.

The previous prime is 13356848611. The next prime is 13356848657. The reversal of 13356848640 is 4684865331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13356848640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861907 + ... + 877266.

Almost surely, 2^13356848640 is an apocalyptic number.

13356848640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13356848640 is an abundant number, since it is smaller than the sum of its proper divisors (29343351408).

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

13356848640 is an equidigital number, since it uses as much as digits as its factorization.

13356848640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739199 (or 1739183 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

It can be divided in two parts, 13 and 356848640, that added together give a palindrome (356848653).

The spelling of 13356848640 in words is "thirteen billion, three hundred fifty-six million, eight hundred forty-eight thousand, six hundred forty".