2040545105 has 16 divisors (see below), whose sum is σ = 2616935040. Its totient is φ = 1522044672.

The previous prime is 2040545081. The next prime is 2040545107. The reversal of 2040545105 is 5015450402.

It is a cyclic number.

It is not a de Polignac number, because 2040545105 - 2¹⁸ = 2040282961 is a prime.

It is a super-2 number, since 2×2040545105² = 8327648651078922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040545107) 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, 103085 + ... + 121274.

It is an arithmetic number, because the mean of its divisors is an integer number (163558440).

Almost surely, 2^2040545105 is an apocalyptic number.

It is an amenable number.

2040545105 is a deficient number, since it is larger than the sum of its proper divisors (576389935).

2040545105 is a wasteful number, since it uses less digits than its factorization.

2040545105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224488.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2040545105 is about 45172.3931732646. The cubic root of 2040545105 is about 1268.3780946884.

Adding to 2040545105 its reverse (5015450402), we get a palindrome (7055995507).

The spelling of 2040545105 in words is "two billion, forty million, five hundred forty-five thousand, one hundred five".