32230240 has 72 divisors (see below), whose sum is σ = 88597152. Its totient is φ = 11047680.

The previous prime is 32230217. The next prime is 32230241. The reversal of 32230240 is 4203223.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32230241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5785 + ... + 9895.

It is an arithmetic number, because the mean of its divisors is an integer number (1230516).

Almost surely, 2^32230240 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 32230240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44298576).

32230240 is an abundant number, since it is smaller than the sum of its proper divisors (56366912).

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

32230240 is a wasteful number, since it uses less digits than its factorization.

32230240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4125 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 32230240 is about 5677.1683082325. The cubic root of 32230240 is about 318.2398148825.

Adding to 32230240 its reverse (4203223), we get a palindrome (36433463).

The spelling of 32230240 in words is "thirty-two million, two hundred thirty thousand, two hundred forty".