13534625280 has 320 divisors, whose sum is σ = 47559384576. Its totient is φ = 3256320000.

The previous prime is 13534625263. The next prime is 13534625339. The reversal of 13534625280 is 8252643531.

It is a happy number.

13534625280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12755950 + ... + 12757010.

Almost surely, 2^13534625280 is an apocalyptic number.

13534625280 is a gapful number since it is divisible by the number (10) 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 13534625280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23779692288).

13534625280 is an abundant number, since it is smaller than the sum of its proper divisors (34024759296).

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

13534625280 is a wasteful number, since it uses less digits than its factorization.

13534625280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 13534625280 in words is "thirteen billion, five hundred thirty-four million, six hundred twenty-five thousand, two hundred eighty".