28110602268 has 72 divisors (see below), whose sum is σ = 81389599200. Its totient is φ = 8013680640.

The previous prime is 28110602249. The next prime is 28110602293. The reversal of 28110602268 is 86220601182.

28110602268 is a `hidden beast` number, since 28 + 1 + 1 + 0 + 602 + 26 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11073 + ... + 237368.

It is an arithmetic number, because the mean of its divisors is an integer number (1130411100).

Almost surely, 2^28110602268 is an apocalyptic number.

28110602268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28110602268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40694799600).

28110602268 is an abundant number, since it is smaller than the sum of its proper divisors (53278996932).

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

28110602268 is a wasteful number, since it uses less digits than its factorization.

28110602268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248907 (or 248902 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 28110602268 in words is "twenty-eight billion, one hundred ten million, six hundred two thousand, two hundred sixty-eight".