440240020042 has 8 divisors (see below), whose sum is σ = 660575350656. Its totient is φ = 220048236492.

The previous prime is 440240020007. The next prime is 440240020067. The reversal of 440240020042 is 240020042044.

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

It is a super-2 number, since 2×440240020042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440240019995 and 440240020022.

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, 35879098 + ... + 35891365.

It is an arithmetic number, because the mean of its divisors is an integer number (82571918832).

Almost surely, 2^440240020042 is an apocalyptic number.

440240020042 is a deficient number, since it is larger than the sum of its proper divisors (220335330614).

440240020042 is a wasteful number, since it uses less digits than its factorization.

440240020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71773532.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 440240020042 its reverse (240020042044), we get a palindrome (680260062086).

The spelling of 440240020042 in words is "four hundred forty billion, two hundred forty million, twenty thousand, forty-two".