32525440000 has 110 divisors (see below), whose sum is σ = 81249487154. Its totient is φ = 13009920000.

The previous prime is 32525439929. The next prime is 32525440001. The reversal of 32525440000 is 4452523.

It can be written as a sum of positive squares in 5 ways, for example, as 3739567104 + 28785872896 = 61152^2 + 169664^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32525440001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 614590 + ... + 665410.

Almost surely, 2^32525440000 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 32525440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40624743577).

32525440000 is an abundant number, since it is smaller than the sum of its proper divisors (48724047154).

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

32525440000 is an frugal number, since it uses more digits than its factorization.

32525440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50861 (or 50828 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 32525440000 its reverse (4452523), we get a palindrome (32529892523).

The spelling of 32525440000 in words is "thirty-two billion, five hundred twenty-five million, four hundred forty thousand".