440433440 has 96 divisors (see below), whose sum is σ = 1123476480. Its totient is φ = 162663424.

The previous prime is 440433419. The next prime is 440433443. The reversal of 440433440 is 44334044.

It is not an unprimeable number, because it can be changed into a prime (440433443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104657 + ... + 108783.

It is an arithmetic number, because the mean of its divisors is an integer number (11702880).

Almost surely, 2^440433440 is an apocalyptic number.

440433440 is a gapful number since it is divisible by the number (40) 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 440433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561738240).

440433440 is an abundant number, since it is smaller than the sum of its proper divisors (683043040).

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

440433440 is a wasteful number, since it uses less digits than its factorization.

440433440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194 (or 4186 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 440433440 is about 20986.5061408516. The cubic root of 440433440 is about 760.8401604480.

Adding to 440433440 its reverse (44334044), we get a palindrome (484767484).

The spelling of 440433440 in words is "four hundred forty million, four hundred thirty-three thousand, four hundred forty".