440113642 has 16 divisors (see below), whose sum is σ = 677295360. Its totient is φ = 214421472.

The previous prime is 440113621. The next prime is 440113669. The reversal of 440113642 is 246311044.

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 7 ways as a sum of consecutive naturals, for example, 6042 + ... + 30277.

It is an arithmetic number, because the mean of its divisors is an integer number (42330960).

Almost surely, 2^440113642 is an apocalyptic number.

440113642 is a deficient number, since it is larger than the sum of its proper divisors (237181718).

440113642 is a wasteful number, since it uses less digits than its factorization.

440113642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36477.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 440113642 is about 20978.8856234072. The cubic root of 440113642 is about 760.6559675950.

Adding to 440113642 its reverse (246311044), we get a palindrome (686424686).

The spelling of 440113642 in words is "four hundred forty million, one hundred thirteen thousand, six hundred forty-two".