440226042442 has 8 divisors (see below), whose sum is σ = 661483500516. Its totient is φ = 219731542272.

The previous prime is 440226042413. The next prime is 440226042479. The reversal of 440226042442 is 244240622044.

It can be written as a sum of positive squares in 2 ways, for example, as 392090121241 + 48135921201 = 626171^2 + 219399^2 .

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 = 440226042398 and 440226042407.

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, 190738033 + ... + 190740340.

Almost surely, 2^440226042442 is an apocalyptic number.

440226042442 is a deficient number, since it is larger than the sum of its proper divisors (221257458074).

440226042442 is a wasteful number, since it uses less digits than its factorization.

440226042442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381478952.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 440226042442 its reverse (244240622044), we get a palindrome (684466664486).

The spelling of 440226042442 in words is "four hundred forty billion, two hundred twenty-six million, forty-two thousand, four hundred forty-two".