4042440042044 has 24 divisors (see below), whose sum is σ = 7194816543600. Its totient is φ = 1986784302080.

The previous prime is 4042440042023. The next prime is 4042440042089. The reversal of 4042440042044 is 4402400442404.

It is a self number, because there is not a number n which added to its sum of digits gives 4042440042044.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1897052 + ... + 3418140.

It is an arithmetic number, because the mean of its divisors is an integer number (299784022650).

Almost surely, 2^{4042440042044} is an apocalyptic number.

It is an amenable number.

4042440042044 is a deficient number, since it is larger than the sum of its proper divisors (3152376501556).

4042440042044 is a wasteful number, since it uses less digits than its factorization.

4042440042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532413 (or 1532411 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 4042440042044 its reverse (4402400442404), we get a palindrome (8444840484448).

The spelling of 4042440042044 in words is "four trillion, forty-two billion, four hundred forty million, forty-two thousand, forty-four".