440221034242 has 32 divisors (see below), whose sum is σ = 758331175680. Its totient is φ = 189554939280.

The previous prime is 440221034233. The next prime is 440221034257. The reversal of 440221034242 is 242430122044.

It is a super-2 number, since 2×440221034242² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440221034242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7338213 + ... + 7397959.

It is an arithmetic number, because the mean of its divisors is an integer number (23697849240).

Almost surely, 2^440221034242 is an apocalyptic number.

440221034242 is a deficient number, since it is larger than the sum of its proper divisors (318110141438).

440221034242 is a wasteful number, since it uses less digits than its factorization.

440221034242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77406.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440221034242 its reverse (242430122044), we get a palindrome (682651156286).

The spelling of 440221034242 in words is "four hundred forty billion, two hundred twenty-one million, thirty-four thousand, two hundred forty-two".