28054451852 has 24 divisors (see below), whose sum is σ = 56784919296. Its totient is φ = 11878476048.

The previous prime is 28054451849. The next prime is 28054451869. The reversal of 28054451852 is 25815445082.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 6033488 + ... + 6038135.

It is an arithmetic number, because the mean of its divisors is an integer number (2366038304).

Almost surely, 2^28054451852 is an apocalyptic number.

It is an amenable number.

28054451852 is an abundant number, since it is smaller than the sum of its proper divisors (28730467444).

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

28054451852 is a wasteful number, since it uses less digits than its factorization.

28054451852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12071717 (or 12071715 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 44.

The spelling of 28054451852 in words is "twenty-eight billion, fifty-four million, four hundred fifty-one thousand, eight hundred fifty-two".