13255543400 has 48 divisors (see below), whose sum is σ = 33620883840. Its totient is φ = 4820196800.

The previous prime is 13255543391. The next prime is 13255543403. The reversal of 13255543400 is 434555231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13255543403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3010424 + ... + 3014823.

It is an arithmetic number, because the mean of its divisors is an integer number (700435080).

Almost surely, 2^13255543400 is an apocalyptic number.

13255543400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13255543400 is an abundant number, since it is smaller than the sum of its proper divisors (20365340440).

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

13255543400 is a wasteful number, since it uses less digits than its factorization.

13255543400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025274 (or 6025265 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

It can be divided in two parts, 13255 and 543400, that added together give a palindrome (556655).

The spelling of 13255543400 in words is "thirteen billion, two hundred fifty-five million, five hundred forty-three thousand, four hundred".