4005042440055 has 16 divisors (see below), whose sum is σ = 6470282158080. Its totient is φ = 2115284550048.

The previous prime is 4005042440033. The next prime is 4005042440059. The reversal of 4005042440055 is 5500442405004.

It is not a de Polignac number, because 4005042440055 - 2⁸ = 4005042439799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4005042439998 and 4005042440025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005042440059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296128695 + ... + 1296131784.

It is an arithmetic number, because the mean of its divisors is an integer number (404392634880).

Almost surely, 2^{4005042440055} is an apocalyptic number.

4005042440055 is a deficient number, since it is larger than the sum of its proper divisors (2465239718025).

4005042440055 is a wasteful number, since it uses less digits than its factorization.

4005042440055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592260590.

The product of its (nonzero) digits is 64000, while the sum is 33.

Adding to 4005042440055 its reverse (5500442405004), we get a palindrome (9505484845059).

The spelling of 4005042440055 in words is "four trillion, five billion, forty-two million, four hundred forty thousand, fifty-five".