32570000000 has 128 divisors (see below), whose sum is σ = 81131628240. Its totient is φ = 13024000000.

The previous prime is 32569999949. The next prime is 32570000003. The reversal of 32570000000 is 7523.

It can be written as a sum of positive squares in 8 ways, for example, as 25423664704 + 7146335296 = 159448^2 + 84536^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (32570000003) 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, 9998372 + ... + 10001628.

Almost surely, 2^32570000000 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 32570000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40565814120).

32570000000 is an abundant number, since it is smaller than the sum of its proper divisors (48561628240).

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

32570000000 is an frugal number, since it uses more digits than its factorization.

32570000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306 (or 3264 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 17.

Adding to 32570000000 its reverse (7523), we get a palindrome (32570007523).

The spelling of 32570000000 in words is "thirty-two billion, five hundred seventy million", and thus it is an aban number.