32241440 has 96 divisors (see below), whose sum is σ = 95001984. Its totient is φ = 10045440.

The previous prime is 32241439. The next prime is 32241449. The reversal of 32241440 is 4414223.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (32241449) 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, 11012 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (989604).

Almost surely, 2^32241440 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 32241440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47500992).

32241440 is an abundant number, since it is smaller than the sum of its proper divisors (62760544).

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

32241440 is a wasteful number, since it uses less digits than its factorization.

32241440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 32241440 is about 5678.1546298071. The cubic root of 32241440 is about 318.2766733643.

Adding to 32241440 its reverse (4414223), we get a palindrome (36655663).

It can be divided in two parts, 3224 and 1440, that added together give a palindrome (4664).

The spelling of 32241440 in words is "thirty-two million, two hundred forty-one thousand, four hundred forty".