28532743552 has 16 divisors (see below), whose sum is σ = 56842575300. Its totient is φ = 14266371712.

The previous prime is 28532743549. The next prime is 28532743553. The reversal of 28532743552 is 25534723582.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28532743553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111455902 + ... + 111456157.

Almost surely, 2^28532743552 is an apocalyptic number.

It is an amenable number.

28532743552 is a deficient number, since it is larger than the sum of its proper divisors (28309831748).

28532743552 is an equidigital number, since it uses as much as digits as its factorization.

28532743552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222912073 (or 222912061 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 46.

The spelling of 28532743552 in words is "twenty-eight billion, five hundred thirty-two million, seven hundred forty-three thousand, five hundred fifty-two".