2040516605 has 8 divisors (see below), whose sum is σ = 2464836864. Its totient is φ = 1621602000.

The previous prime is 2040516559. The next prime is 2040516607. The reversal of 2040516605 is 5066150402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2040516605 - 2²⁸ = 1772081149 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 (2040516607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350581 + ... + 1352090.

It is an arithmetic number, because the mean of its divisors is an integer number (308104608).

Almost surely, 2^2040516605 is an apocalyptic number.

It is an amenable number.

2040516605 is a deficient number, since it is larger than the sum of its proper divisors (424320259).

2040516605 is a wasteful number, since it uses less digits than its factorization.

2040516605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702827.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2040516605 is about 45172.0777140038. The cubic root of 2040516605 is about 1268.3721895761.

The spelling of 2040516605 in words is "two billion, forty million, five hundred sixteen thousand, six hundred five".