2750000028 has 24 divisors (see below), whose sum is σ = 6418030080. Its totient is φ = 916471920.

The previous prime is 2749999981. The next prime is 2750000051. The reversal of 2750000028 is 8200000572.

It is a junction number, because it is equal to n+sod(n) for n = 2749999962 and 2750000007.

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, 41643 + ... + 85053.

It is an arithmetic number, because the mean of its divisors is an integer number (267417920).

Almost surely, 2^2750000028 is an apocalyptic number.

It is an amenable number.

2750000028 is an abundant number, since it is smaller than the sum of its proper divisors (3668030052).

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

2750000028 is a wasteful number, since it uses less digits than its factorization.

2750000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48697 (or 48695 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2750000028 is about 52440.4426754771. The cubic root of 2750000028 is about 1401.0196700827.

The spelling of 2750000028 in words is "two billion, seven hundred fifty million, twenty-eight", and thus it is an aban number.