13786380520 has 64 divisors (see below), whose sum is σ = 35829864000. Its totient is φ = 4718330880.

The previous prime is 13786380497. The next prime is 13786380533. The reversal of 13786380520 is 2508368731.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914070 + ... + 929029.

It is an arithmetic number, because the mean of its divisors is an integer number (559841625).

Almost surely, 2^13786380520 is an apocalyptic number.

13786380520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13786380520 is an abundant number, since it is smaller than the sum of its proper divisors (22043483480).

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

13786380520 is a wasteful number, since it uses less digits than its factorization.

13786380520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843138 (or 1843134 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 13786380520 in words is "thirteen billion, seven hundred eighty-six million, three hundred eighty thousand, five hundred twenty".