2560406005 has 16 divisors (see below), whose sum is σ = 3123080064. Its totient is φ = 2014689600.

The previous prime is 2560406003. The next prime is 2560406029. The reversal of 2560406005 is 5006040652.

It is not a de Polignac number, because 2560406005 - 2¹ = 2560406003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560406003) 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, 229384 + ... + 240286.

It is an arithmetic number, because the mean of its divisors is an integer number (195192504).

Almost surely, 2^2560406005 is an apocalyptic number.

It is an amenable number.

2560406005 is a deficient number, since it is larger than the sum of its proper divisors (562674059).

2560406005 is a wasteful number, since it uses less digits than its factorization.

2560406005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11676.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2560406005 is about 50600.4545928196. The cubic root of 2560406005 is about 1368.0530721419.

Adding to 2560406005 its reverse (5006040652), we get a palindrome (7566446657).

The spelling of 2560406005 in words is "two billion, five hundred sixty million, four hundred six thousand, five".