28255780050 has 24 divisors (see below), whose sum is σ = 70074334896. Its totient is φ = 7534874640.

The previous prime is 28255780037. The next prime is 28255780081. The reversal of 28255780050 is 5008755282.

It is a junction number, because it is equal to n+sod(n) for n = 28255779984 and 28255780011.

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, 94185784 + ... + 94186083.

It is an arithmetic number, because the mean of its divisors is an integer number (2919763954).

Almost surely, 2^28255780050 is an apocalyptic number.

28255780050 is an abundant number, since it is smaller than the sum of its proper divisors (41818554846).

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

28255780050 is a wasteful number, since it uses less digits than its factorization.

28255780050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188371882 (or 188371877 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

It can be divided in two parts, 2825 and 5780050, that added together give a palindrome (5782875).

The spelling of 28255780050 in words is "twenty-eight billion, two hundred fifty-five million, seven hundred eighty thousand, fifty".