440515270642 has 8 divisors (see below), whose sum is σ = 689502162816. Its totient is φ = 210681216372.

The previous prime is 440515270603. The next prime is 440515270667. The reversal of 440515270642 is 246072515044.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 440515270595 and 440515270604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4788209418 + ... + 4788209509.

It is an arithmetic number, because the mean of its divisors is an integer number (86187770352).

Almost surely, 2^440515270642 is an apocalyptic number.

440515270642 is a deficient number, since it is larger than the sum of its proper divisors (248986892174).

440515270642 is a wasteful number, since it uses less digits than its factorization.

440515270642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576418952.

The product of its (nonzero) digits is 268800, while the sum is 40.

Adding to 440515270642 its reverse (246072515044), we get a palindrome (686587785686).

The spelling of 440515270642 in words is "four hundred forty billion, five hundred fifteen million, two hundred seventy thousand, six hundred forty-two".