440041300042 has 4 divisors (see below), whose sum is σ = 660061950066. Its totient is φ = 220020650020.

The previous prime is 440041300031. The next prime is 440041300043. The reversal of 440041300042 is 240003140044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 439212378361 + 828921681 = 662731^2 + 28791^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 440041299986 and 440041300022.

It is not an unprimeable number, because it can be changed into a prime (440041300043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010325009 + ... + 110010325012.

Almost surely, 2^440041300042 is an apocalyptic number.

440041300042 is a deficient number, since it is larger than the sum of its proper divisors (220020650024).

440041300042 is a wasteful number, since it uses less digits than its factorization.

440041300042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220020650023.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 440041300042 its reverse (240003140044), we get a palindrome (680044440086).

The spelling of 440041300042 in words is "four hundred forty billion, forty-one million, three hundred thousand, forty-two".