13455666288 has 120 divisors (see below), whose sum is σ = 38497848480. Its totient is φ = 4385671680.

The previous prime is 13455666269. The next prime is 13455666293. The reversal of 13455666288 is 88266655431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2370718 + ... + 2376386.

It is an arithmetic number, because the mean of its divisors is an integer number (320815404).

Almost surely, 2^13455666288 is an apocalyptic number.

13455666288 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 13455666288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19248924240).

13455666288 is an abundant number, since it is smaller than the sum of its proper divisors (25042182192).

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

13455666288 is a wasteful number, since it uses less digits than its factorization.

13455666288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047 (or 6038 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 13455666288 in words is "thirteen billion, four hundred fifty-five million, six hundred sixty-six thousand, two hundred eighty-eight".