8132500000 has 96 divisors (see below), whose sum is σ = 20019675312. Its totient is φ = 3252000000.

The previous prime is 8132499971. The next prime is 8132500003. The reversal of 8132500000 is 52318.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5182272144 + 2950227856 = 71988^2 + 54316^2 .

It is a super-2 number, since 2×8132500000² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8132500003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2498374 + ... + 2501626.

Almost surely, 2^8132500000 is an apocalyptic number.

8132500000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8132500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10009837656).

8132500000 is an abundant number, since it is smaller than the sum of its proper divisors (11887175312).

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

8132500000 is an frugal number, since it uses more digits than its factorization.

8132500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 8132500000 is about 90180.3748051648. The cubic root of 8132500000 is about 2010.9812622555.

Adding to 8132500000 its reverse (52318), we get a palindrome (8132552318).

The spelling of 8132500000 in words is "eight billion, one hundred thirty-two million, five hundred thousand".