13255412400 has 120 divisors (see below), whose sum is σ = 47179487760. Its totient is φ = 3534773760.

The previous prime is 13255412383. The next prime is 13255412447. The reversal of 13255412400 is 421455231.

13255412400 is a `hidden beast` number, since 1 + 3 + 255 + 4 + 1 + 2 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 602877 + ... + 624476.

It is an arithmetic number, because the mean of its divisors is an integer number (393162398).

Almost surely, 2^13255412400 is an apocalyptic number.

13255412400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13255412400 is an abundant number, since it is smaller than the sum of its proper divisors (33924075360).

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

13255412400 is a wasteful number, since it uses less digits than its factorization.

13255412400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227380 (or 1227363 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 13255412400 its reverse (421455231), we get a palindrome (13676867631).

The spelling of 13255412400 in words is "thirteen billion, two hundred fifty-five million, four hundred twelve thousand, four hundred".