13522635240 has 128 divisors (see below), whose sum is σ = 41938283520. Its totient is φ = 3484569600.

The previous prime is 13522635229. The next prime is 13522635241. The reversal of 13522635240 is 4253622531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13522635241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2962560 + ... + 2967120.

It is an arithmetic number, because the mean of its divisors is an integer number (327642840).

Almost surely, 2^13522635240 is an apocalyptic number.

13522635240 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 13522635240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20969141760).

13522635240 is an abundant number, since it is smaller than the sum of its proper divisors (28415648280).

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

13522635240 is a wasteful number, since it uses less digits than its factorization.

13522635240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403 (or 5399 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 13522635240 in words is "thirteen billion, five hundred twenty-two million, six hundred thirty-five thousand, two hundred forty".