13351740444240 has 320 divisors, whose sum is σ = 48826452049920. Its totient is φ = 2981569208320.

The previous prime is 13351740444221. The next prime is 13351740444271. The reversal of 13351740444240 is 4244404715331.

It is a junction number, because it is equal to n+sod(n) for n = 13351740444192 and 13351740444201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1055520 + ... + 5274239.

It is an arithmetic number, because the mean of its divisors is an integer number (152582662656).

Almost surely, 2^{13351740444240} is an apocalyptic number.

13351740444240 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 13351740444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24413226024960).

13351740444240 is an abundant number, since it is smaller than the sum of its proper divisors (35474711605680).

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

13351740444240 is a wasteful number, since it uses less digits than its factorization.

13351740444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329850 (or 6329844 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 13351740444240 in words is "thirteen trillion, three hundred fifty-one billion, seven hundred forty million, four hundred forty-four thousand, two hundred forty".