13363278720 has 384 divisors, whose sum is σ = 47382239520. Its totient is φ = 3200778240.

The previous prime is 13363278673. The next prime is 13363278727. The reversal of 13363278720 is 2787236331.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13363278727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22534744 + ... + 22535336.

Almost surely, 2^13363278720 is an apocalyptic number.

13363278720 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 13363278720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23691119760).

13363278720 is an abundant number, since it is smaller than the sum of its proper divisors (34018960800).

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

13363278720 is a wasteful number, since it uses less digits than its factorization.

13363278720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 13363278720 in words is "thirteen billion, three hundred sixty-three million, two hundred seventy-eight thousand, seven hundred twenty".