13598585028 has 144 divisors (see below), whose sum is σ = 40706789760. Its totient is φ = 3747174912.

The previous prime is 13598584997. The next prime is 13598585041. The reversal of 13598585028 is 82058589531.

It is a happy number.

13598585028 is a `hidden beast` number, since 1 + 3 + 59 + 8 + 585 + 0 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 779376 + ... + 796632.

It is an arithmetic number, because the mean of its divisors is an integer number (282686040).

Almost surely, 2^13598585028 is an apocalyptic number.

13598585028 is a gapful number since it is divisible by the number (18) 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 13598585028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20353394880).

13598585028 is an abundant number, since it is smaller than the sum of its proper divisors (27108204732).

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

13598585028 is a wasteful number, since it uses less digits than its factorization.

13598585028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17386 (or 17381 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 54.

The spelling of 13598585028 in words is "thirteen billion, five hundred ninety-eight million, five hundred eighty-five thousand, twenty-eight".