28906653260 has 36 divisors (see below), whose sum is σ = 60961435248. Its totient is φ = 11513826912.

The previous prime is 28906653241. The next prime is 28906653289. The reversal of 28906653260 is 6235660982.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129769 + ... + 1155071.

Almost surely, 2^28906653260 is an apocalyptic number.

28906653260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28906653260 is an abundant number, since it is smaller than the sum of its proper divisors (32054781988).

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

28906653260 is a wasteful number, since it uses less digits than its factorization.

28906653260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25790 (or 25549 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 28906653260 in words is "twenty-eight billion, nine hundred six million, six hundred fifty-three thousand, two hundred sixty".