32590140 has 108 divisors (see below), whose sum is σ = 101821608. Its totient is φ = 7782720.

The previous prime is 32590123. The next prime is 32590141. The reversal of 32590140 is 4109523.

It is a self number, because there is not a number n which added to its sum of digits gives 32590140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32590141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 486387 + ... + 486453.

Almost surely, 2^32590140 is an apocalyptic number.

32590140 is a gapful number since it is divisible by the number (30) 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 32590140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50910804).

32590140 is an abundant number, since it is smaller than the sum of its proper divisors (69231468).

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

32590140 is a wasteful number, since it uses less digits than its factorization.

32590140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 32590140 is about 5708.7774523097. Note that the first 3 decimals coincide. The cubic root of 32590140 is about 319.4199779511.

Adding to 32590140 its reverse (4109523), we get a palindrome (36699663).

The spelling of 32590140 in words is "thirty-two million, five hundred ninety thousand, one hundred forty".