28505224150 has 24 divisors (see below), whose sum is σ = 57098157984. Its totient is φ = 10525005600.

The previous prime is 28505224049. The next prime is 28505224171. The reversal of 28505224150 is 5142250582.

It is a congruent number.

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, 21926446 + ... + 21927745.

It is an arithmetic number, because the mean of its divisors is an integer number (2379089916).

Almost surely, 2^28505224150 is an apocalyptic number.

28505224150 is an abundant number, since it is smaller than the sum of its proper divisors (28592933834).

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

28505224150 is a wasteful number, since it uses less digits than its factorization.

28505224150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43854216 (or 43854211 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 28505224150 in words is "twenty-eight billion, five hundred five million, two hundred twenty-four thousand, one hundred fifty".