8255732544 has 126 divisors (see below), whose sum is σ = 24573705234. Its totient is φ = 2751770880.

The previous prime is 8255732521. The next prime is 8255732659. The reversal of 8255732544 is 4452375528.

8255732544 is a `hidden beast` number, since 8 + 25 + 57 + 32 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7205972544 + 1049760000 = 84888^2 + 32400^2 .

It is a super-3 number, since 3×8255732544³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8255732544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 410074 + ... + 429734.

Almost surely, 2^8255732544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8255732544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12286852617).

8255732544 is an abundant number, since it is smaller than the sum of its proper divisors (16317972690).

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

8255732544 is an frugal number, since it uses more digits than its factorization.

8255732544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19697 (or 19666 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The square root of 8255732544 is about 90861.0617591496. The cubic root of 8255732544 is about 2021.0879137961.

The spelling of 8255732544 in words is "eight billion, two hundred fifty-five million, seven hundred thirty-two thousand, five hundred forty-four".