13400345055 has 32 divisors (see below), whose sum is σ = 21519134208. Its totient is φ = 7120713600.

The previous prime is 13400345041. The next prime is 13400345071. The reversal of 13400345055 is 55054300431.

It is not a de Polignac number, because 13400345055 - 2⁸ = 13400344799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5797350 + ... + 5799660.

It is an arithmetic number, because the mean of its divisors is an integer number (672472944).

Almost surely, 2^13400345055 is an apocalyptic number.

13400345055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13400345055 is a deficient number, since it is larger than the sum of its proper divisors (8118789153).

13400345055 is a wasteful number, since it uses less digits than its factorization.

13400345055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 13400345055 its reverse (55054300431), we get a palindrome (68454645486).

The spelling of 13400345055 in words is "thirteen billion, four hundred million, three hundred forty-five thousand, fifty-five".