440032230 has 96 divisors (see below), whose sum is σ = 1289887200. Its totient is φ = 106666560.

The previous prime is 440032217. The next prime is 440032249. The reversal of 440032230 is 32230044.

440032230 is a `hidden beast` number, since 4 + 400 + 32 + 230 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25936 + ... + 39404.

It is an arithmetic number, because the mean of its divisors is an integer number (13436325).

Almost surely, 2^440032230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440032230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644943600).

440032230 is an abundant number, since it is smaller than the sum of its proper divisors (849854970).

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

440032230 is a wasteful number, since it uses less digits than its factorization.

440032230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507 (or 13490 counting only the distinct ones).

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

The square root of 440032230 is about 20976.9452018162. The cubic root of 440032230 is about 760.6090627834.

Adding to 440032230 its reverse (32230044), we get a palindrome (472262274).

The spelling of 440032230 in words is "four hundred forty million, thirty-two thousand, two hundred thirty".