28755333632 has 40 divisors (see below), whose sum is σ = 58396445052. Its totient is φ = 14141952000.

The previous prime is 28755333599. The next prime is 28755333667. The reversal of 28755333632 is 23633355782.

It can be written as a sum of positive squares in 2 ways, for example, as 26848788736 + 1906544896 = 163856^2 + 43664^2 .

It is a super-2 number, since 2×28755333632² (a number of 22 digits) contains 22 as substring.

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, 429119 + ... + 491582.

Almost surely, 2^28755333632 is an apocalyptic number.

It is an amenable number.

28755333632 is an abundant number, since it is smaller than the sum of its proper divisors (29641111420).

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

28755333632 is an frugal number, since it uses more digits than its factorization.

28755333632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920780 (or 920764 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 47.

The spelling of 28755333632 in words is "twenty-eight billion, seven hundred fifty-five million, three hundred thirty-three thousand, six hundred thirty-two".