13285618488 has 32 divisors (see below), whose sum is σ = 36904496400. Its totient is φ = 4428539424.

The previous prime is 13285618487. The next prime is 13285618523. The reversal of 13285618488 is 88481658231.

13285618488 is a `hidden beast` number, since 1 + 32 + 8 + 561 + 8 + 48 + 8 = 666.

It is a super-2 number, since 2×13285618488² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13285618487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30753531 + ... + 30753962.

Almost surely, 2^13285618488 is an apocalyptic number.

13285618488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13285618488 is an abundant number, since it is smaller than the sum of its proper divisors (23618877912).

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

13285618488 is a wasteful number, since it uses less digits than its factorization.

13285618488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61507508 (or 61507498 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 13285618488 in words is "thirteen billion, two hundred eighty-five million, six hundred eighteen thousand, four hundred eighty-eight".