4055312005 has 16 divisors (see below), whose sum is σ = 5330311920. Its totient is φ = 2948119552.

The previous prime is 4055312003. The next prime is 4055312033. The reversal of 4055312005 is 5002135504.

It can be written as a sum of positive squares in 8 ways, for example, as 2461761 + 4052850244 = 1569^2 + 63662^2 .

It is a cyclic number.

It is not a de Polignac number, because 4055312005 - 2¹ = 4055312003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055312003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820114 + ... + 825043.

It is an arithmetic number, because the mean of its divisors is an integer number (333144495).

Almost surely, 2^4055312005 is an apocalyptic number.

It is an amenable number.

4055312005 is a deficient number, since it is larger than the sum of its proper divisors (1274999915).

4055312005 is a wasteful number, since it uses less digits than its factorization.

4055312005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645208.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 4055312005 is about 63681.3316836261. The cubic root of 4055312005 is about 1594.6844440814.

Adding to 4055312005 its reverse (5002135504), we get a palindrome (9057447509).

The spelling of 4055312005 in words is "four billion, fifty-five million, three hundred twelve thousand, five".