13315760640 has 1280 divisors, whose sum is σ = 61046092800. Its totient is φ = 2675441664.

The previous prime is 13315760603. The next prime is 13315760657. The reversal of 13315760640 is 4606751331.

13315760640 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 5 + 7 + 6 + 0 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 13315760595 and 13315760604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 182407644 + ... + 182407716.

It is an arithmetic number, because the mean of its divisors is an integer number (47692260).

Almost surely, 2^13315760640 is an apocalyptic number.

13315760640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13315760640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30523046400).

13315760640 is an abundant number, since it is smaller than the sum of its proper divisors (47730332160).

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

13315760640 is a wasteful number, since it uses less digits than its factorization.

13315760640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 13315760640 in words is "thirteen billion, three hundred fifteen million, seven hundred sixty thousand, six hundred forty".