13354585344 has 90 divisors (see below), whose sum is σ = 39821018930. Its totient is φ = 4451521536.

The previous prime is 13354585241. The next prime is 13354585351. The reversal of 13354585344 is 44358545331.

13354585344 is a `hidden beast` number, since 1 + 3 + 35 + 4 + 585 + 34 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13204767744 + 149817600 = 114912^2 + 12240^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13354585344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 301279 + ... + 342750.

Almost surely, 2^13354585344 is an apocalyptic number.

It is an amenable number.

13354585344 is an abundant number, since it is smaller than the sum of its proper divisors (26466433586).

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

13354585344 is an frugal number, since it uses more digits than its factorization.

13354585344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644057 (or 644034 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 13354585344 in words is "thirteen billion, three hundred fifty-four million, five hundred eighty-five thousand, three hundred forty-four".