13320410240 has 64 divisors (see below), whose sum is σ = 32095042560. Its totient is φ = 5286177792.

The previous prime is 13320410227. The next prime is 13320410267. The reversal of 13320410240 is 4201402331.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 163221.

It is an arithmetic number, because the mean of its divisors is an integer number (501485040).

Almost surely, 2^13320410240 is an apocalyptic number.

13320410240 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 13320410240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16047521280).

13320410240 is an abundant number, since it is smaller than the sum of its proper divisors (18774632320).

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

13320410240 is a wasteful number, since it uses less digits than its factorization.

13320410240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164029 (or 164017 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13320410240 its reverse (4201402331), we get a palindrome (17521812571).

The spelling of 13320410240 in words is "thirteen billion, three hundred twenty million, four hundred ten thousand, two hundred forty".