440240022442 has 8 divisors (see below), whose sum is σ = 720392764032. Its totient is φ = 200109101100.

The previous prime is 440240022437. The next prime is 440240022463. The reversal of 440240022442 is 244220042044.

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

It is a super-2 number, since 2×440240022442² (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 440240022442.

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 3 ways as a sum of consecutive naturals, for example, 10005455034 + ... + 10005455077.

It is an arithmetic number, because the mean of its divisors is an integer number (90049095504).

Almost surely, 2^440240022442 is an apocalyptic number.

440240022442 is a deficient number, since it is larger than the sum of its proper divisors (280152741590).

440240022442 is a wasteful number, since it uses less digits than its factorization.

440240022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20010910124.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440240022442 its reverse (244220042044), we get a palindrome (684460064486).

The spelling of 440240022442 in words is "four hundred forty billion, two hundred forty million, twenty-two thousand, four hundred forty-two".