28135243160 has 32 divisors (see below), whose sum is σ = 63368265600. Its totient is φ = 11242725120.

The previous prime is 28135243153. The next prime is 28135243181. The reversal of 28135243160 is 6134253182.

It is a self number, because there is not a number n which added to its sum of digits gives 28135243160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315245 + ... + 394524.

It is an arithmetic number, because the mean of its divisors is an integer number (1980258300).

Almost surely, 2^28135243160 is an apocalyptic number.

28135243160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28135243160 is an abundant number, since it is smaller than the sum of its proper divisors (35233022440).

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

28135243160 is a wasteful number, since it uses less digits than its factorization.

28135243160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710771 (or 710767 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 28135243160 in words is "twenty-eight billion, one hundred thirty-five million, two hundred forty-three thousand, one hundred sixty".