440443110000442 has 8 divisors (see below), whose sum is σ = 662625094274676. Its totient is φ = 219568078575552.

The previous prime is 440443110000437. The next prime is 440443110000479. The reversal of 440443110000442 is 244000011344044.

It can be written as a sum of positive squares in 2 ways, for example, as 391881180488121 + 48561929512321 = 19795989^2 + 6968639^2 .

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

It is a super-2 number, since 2×440443110000442² (a number of 30 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 326738211493 + ... + 326738212840.

Almost surely, 2^{440443110000442} is an apocalyptic number.

440443110000442 is a deficient number, since it is larger than the sum of its proper divisors (222181984274234).

440443110000442 is a wasteful number, since it uses less digits than its factorization.

440443110000442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653476424672.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 440443110000442 its reverse (244000011344044), we get a palindrome (684443121344486).

The spelling of 440443110000442 in words is "four hundred forty trillion, four hundred forty-three billion, one hundred ten million, four hundred forty-two", and thus it is an aban number.