13028540268 has 12 divisors (see below), whose sum is σ = 30399927320. Its totient is φ = 4342846752.

The previous prime is 13028540263. The next prime is 13028540299. The reversal of 13028540268 is 86204582031.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13028540263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542855833 + ... + 542855856.

Almost surely, 2^13028540268 is an apocalyptic number.

It is an amenable number.

13028540268 is an abundant number, since it is smaller than the sum of its proper divisors (17371387052).

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

13028540268 is a wasteful number, since it uses less digits than its factorization.

13028540268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085711696 (or 1085711694 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 13028540268 in words is "thirteen billion, twenty-eight million, five hundred forty thousand, two hundred sixty-eight".