32230440 has 128 divisors (see below), whose sum is σ = 117244800. Its totient is φ = 7810560.

The previous prime is 32230423. The next prime is 32230447. The reversal of 32230440 is 4403223.

32230440 is a `hidden beast` number, since 3 + 223 + 0 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32230447) 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 31 ways as a sum of consecutive naturals, for example, 10524 + ... + 13236.

It is an arithmetic number, because the mean of its divisors is an integer number (915975).

Almost surely, 2^32230440 is an apocalyptic number.

32230440 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 32230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58622400).

32230440 is an abundant number, since it is smaller than the sum of its proper divisors (85014360).

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

32230440 is a wasteful number, since it uses less digits than its factorization.

32230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744 (or 2734 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 32230440 is about 5677.1859226205. The cubic root of 32230440 is about 318.2404731446.

Adding to 32230440 its reverse (4403223), we get a palindrome (36633663).

The spelling of 32230440 in words is "thirty-two million, two hundred thirty thousand, four hundred forty".