13263240280 has 32 divisors (see below), whose sum is σ = 29896896240. Its totient is φ = 5295588480.

The previous prime is 13263240257. The next prime is 13263240343. The reversal of 13263240280 is 8204236231.

13263240280 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 7 ways as a sum of consecutive naturals, for example, 281211 + ... + 324970.

Almost surely, 2^13263240280 is an apocalyptic number.

13263240280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13263240280 is an abundant number, since it is smaller than the sum of its proper divisors (16633655960).

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

13263240280 is a wasteful number, since it uses less digits than its factorization.

13263240280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606739 (or 606735 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 13263240280 in words is "thirteen billion, two hundred sixty-three million, two hundred forty thousand, two hundred eighty".