4440042105405 has 32 divisors (see below), whose sum is σ = 7111690185600. Its totient is φ = 2365482213120.

The previous prime is 4440042105383. The next prime is 4440042105437. The reversal of 4440042105405 is 5045012400444.

It is not a de Polignac number, because 4440042105405 - 2⁹ = 4440042104893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128497071 + ... + 128531619.

It is an arithmetic number, because the mean of its divisors is an integer number (222240318300).

Almost surely, 2^{4440042105405} is an apocalyptic number.

It is an amenable number.

4440042105405 is a deficient number, since it is larger than the sum of its proper divisors (2671648080195).

4440042105405 is a wasteful number, since it uses less digits than its factorization.

4440042105405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43501.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 4440042105405 its reverse (5045012400444), we get a palindrome (9485054505849).

The spelling of 4440042105405 in words is "four trillion, four hundred forty billion, forty-two million, one hundred five thousand, four hundred five".