13053606640 has 20 divisors (see below), whose sum is σ = 30349635624. Its totient is φ = 5221442624.

The previous prime is 13053606637. The next prime is 13053606667. The reversal of 13053606640 is 4660635031.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 13053606596 and 13053606605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81584962 + ... + 81585121.

Almost surely, 2^13053606640 is an apocalyptic number.

13053606640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13053606640 is an abundant number, since it is smaller than the sum of its proper divisors (17296028984).

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

13053606640 is a wasteful number, since it uses less digits than its factorization.

13053606640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163170096 (or 163170090 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 13053606640 in words is "thirteen billion, fifty-three million, six hundred six thousand, six hundred forty".