440312222442 has 8 divisors (see below), whose sum is σ = 880624444896. Its totient is φ = 146770740812.

The previous prime is 440312222437. The next prime is 440312222453. The reversal of 440312222442 is 244222213044.

It is a happy number.

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

440312222442 is an admirable number.

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, 36692685198 + ... + 36692685209.

It is an arithmetic number, because the mean of its divisors is an integer number (110078055612).

Almost surely, 2^440312222442 is an apocalyptic number.

440312222442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

440312222442 is a wasteful number, since it uses less digits than its factorization.

440312222442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73385370412.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 440312222442 its reverse (244222213044), we get a palindrome (684534435486).

The spelling of 440312222442 in words is "four hundred forty billion, three hundred twelve million, two hundred twenty-two thousand, four hundred forty-two".