440143001042 has 8 divisors (see below), whose sum is σ = 667632642300. Its totient is φ = 217598786944.

The previous prime is 440143000873. The next prime is 440143001059. The reversal of 440143001042 is 240100341044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 397037351881 + 43105649161 = 630109^2 + 207619^2 .

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

It is a super-2 number, since 2×440143001042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440143000999 and 440143001017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236356567 + ... + 1236356922.

Almost surely, 2^440143001042 is an apocalyptic number.

440143001042 is a deficient number, since it is larger than the sum of its proper divisors (227489641258).

440143001042 is a wasteful number, since it uses less digits than its factorization.

440143001042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472713580.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 440143001042 its reverse (240100341044), we get a palindrome (680243342086).

The spelling of 440143001042 in words is "four hundred forty billion, one hundred forty-three million, one thousand, forty-two".