2040736605 has 16 divisors (see below), whose sum is σ = 3265773120. Its totient is φ = 1088194688.

The previous prime is 2040736601. The next prime is 2040736637. The reversal of 2040736605 is 5066370402.

It is a cyclic number.

It is not a de Polignac number, because 2040736605 - 2² = 2040736601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040736601) 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, 115009 + ... + 131561.

It is an arithmetic number, because the mean of its divisors is an integer number (204110820).

Almost surely, 2^2040736605 is an apocalyptic number.

It is an amenable number.

2040736605 is a deficient number, since it is larger than the sum of its proper divisors (1225036515).

2040736605 is a wasteful number, since it uses less digits than its factorization.

2040736605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24780.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2040736605 is about 45174.5127809919. The cubic root of 2040736605 is about 1268.4177714732.

The spelling of 2040736605 in words is "two billion, forty million, seven hundred thirty-six thousand, six hundred five".