13013344240 has 160 divisors (see below), whose sum is σ = 33789462336. Its totient is φ = 4629995520.

The previous prime is 13013344237. The next prime is 13013344247. The reversal of 13013344240 is 4244331031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013344247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3537282 + ... + 3540958.

Almost surely, 2^13013344240 is an apocalyptic number.

13013344240 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 13013344240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16894731168).

13013344240 is an abundant number, since it is smaller than the sum of its proper divisors (20776118096).

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

13013344240 is a wasteful number, since it uses less digits than its factorization.

13013344240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827 (or 3821 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13013344240 its reverse (4244331031), we get a palindrome (17257675271).

The spelling of 13013344240 in words is "thirteen billion, thirteen million, three hundred forty-four thousand, two hundred forty".