28003050580 has 12 divisors (see below), whose sum is σ = 58806406260. Its totient is φ = 11201220224.

The previous prime is 28003050577. The next prime is 28003050599. The reversal of 28003050580 is 8505030082.

It can be written as a sum of positive squares in 2 ways, for example, as 20519416516 + 7483634064 = 143246^2 + 86508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700076245 + ... + 700076284.

It is an arithmetic number, because the mean of its divisors is an integer number (4900533855).

Almost surely, 2^28003050580 is an apocalyptic number.

28003050580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28003050580 is an abundant number, since it is smaller than the sum of its proper divisors (30803355680).

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

28003050580 is a wasteful number, since it uses less digits than its factorization.

28003050580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400152538 (or 1400152536 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 28003050580 in words is "twenty-eight billion, three million, fifty thousand, five hundred eighty".