440421111242 has 8 divisors (see below), whose sum is σ = 755007619296. Its totient is φ = 188751904812.

The previous prime is 440421111209. The next prime is 440421111283. The reversal of 440421111242 is 242111124044.

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

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, 15729325388 + ... + 15729325415.

It is an arithmetic number, because the mean of its divisors is an integer number (94375952412).

Almost surely, 2^440421111242 is an apocalyptic number.

440421111242 is a deficient number, since it is larger than the sum of its proper divisors (314586508054).

440421111242 is a wasteful number, since it uses less digits than its factorization.

440421111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31458650812.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 440421111242 its reverse (242111124044), we get a palindrome (682532235286).

The spelling of 440421111242 in words is "four hundred forty billion, four hundred twenty-one million, one hundred eleven thousand, two hundred forty-two".