2605044105 has 16 divisors (see below), whose sum is σ = 4631189760. Its totient is φ = 1389356784.

The previous prime is 2605044097. The next prime is 2605044107. The reversal of 2605044105 is 5014405062.

2605044105 is a `hidden beast` number, since 2 + 605 + 0 + 44 + 10 + 5 = 666.

It is not a de Polignac number, because 2605044105 - 2³ = 2605044097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2605044107) 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, 9648177 + ... + 9648446.

It is an arithmetic number, because the mean of its divisors is an integer number (289449360).

Almost surely, 2^2605044105 is an apocalyptic number.

It is an amenable number.

2605044105 is a deficient number, since it is larger than the sum of its proper divisors (2026145655).

2605044105 is a wasteful number, since it uses less digits than its factorization.

2605044105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19296637 (or 19296631 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2605044105 is about 51039.6326887253. The cubic root of 2605044105 is about 1375.9575223572.

Adding to 2605044105 its reverse (5014405062), we get a palindrome (7619449167).

The spelling of 2605044105 in words is "two billion, six hundred five million, forty-four thousand, one hundred five".