13255434416 has 20 divisors (see below), whose sum is σ = 29351319312. Its totient is φ = 5680900416.

The previous prime is 13255434331. The next prime is 13255434427. The reversal of 13255434416 is 61443455231.

It is a super-2 number, since 2×13255434416² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13255434416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59175935 + ... + 59176158.

Almost surely, 2^13255434416 is an apocalyptic number.

13255434416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13255434416 is an abundant number, since it is smaller than the sum of its proper divisors (16095884896).

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

13255434416 is a wasteful number, since it uses less digits than its factorization.

13255434416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118352108 (or 118352102 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

Adding to 13255434416 its reverse (61443455231), we get a palindrome (74698889647).

The spelling of 13255434416 in words is "thirteen billion, two hundred fifty-five million, four hundred thirty-four thousand, four hundred sixteen".