13280538628 has 48 divisors (see below), whose sum is σ = 27017020800. Its totient is φ = 5594100480.

The previous prime is 13280538619. The next prime is 13280538631. The reversal of 13280538628 is 82683508231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3378168 + ... + 3382096.

It is an arithmetic number, because the mean of its divisors is an integer number (562854600).

Almost surely, 2^13280538628 is an apocalyptic number.

It is an amenable number.

13280538628 is an abundant number, since it is smaller than the sum of its proper divisors (13736482172).

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

13280538628 is a wasteful number, since it uses less digits than its factorization.

13280538628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 13280538628 in words is "thirteen billion, two hundred eighty million, five hundred thirty-eight thousand, six hundred twenty-eight".