13522522240 has 32 divisors (see below), whose sum is σ = 32327281260. Its totient is φ = 5409008640.

The previous prime is 13522522219. The next prime is 13522522241. The reversal of 13522522240 is 4222522531.

It can be written as a sum of positive squares in 2 ways, for example, as 13487570496 + 34951744 = 116136^2 + 5912^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 13522522199 and 13522522208.

It is not an unprimeable number, because it can be changed into a prime (13522522241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10563831 + ... + 10565110.

Almost surely, 2^13522522240 is an apocalyptic number.

13522522240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13522522240 is an abundant number, since it is smaller than the sum of its proper divisors (18804759020).

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

13522522240 is an equidigital number, since it uses as much as digits as its factorization.

13522522240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21128960 (or 21128948 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 13522522240 in words is "thirteen billion, five hundred twenty-two million, five hundred twenty-two thousand, two hundred forty".