13503225440 has 24 divisors (see below), whose sum is σ = 31901370480. Its totient is φ = 5401290112.

The previous prime is 13503225431. The next prime is 13503225451. The reversal of 13503225440 is 4452230531.

It is a happy number.

13503225440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 42197420 + ... + 42197739.

It is an arithmetic number, because the mean of its divisors is an integer number (1329223770).

Almost surely, 2^13503225440 is an apocalyptic number.

13503225440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13503225440 is an abundant number, since it is smaller than the sum of its proper divisors (18398145040).

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

13503225440 is an equidigital number, since it uses as much as digits as its factorization.

13503225440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84395174 (or 84395166 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13503225440 its reverse (4452230531), we get a palindrome (17955455971).

The spelling of 13503225440 in words is "thirteen billion, five hundred three million, two hundred twenty-five thousand, four hundred forty".