2040042611 has 4 divisors (see below), whose sum is σ = 2040218424. Its totient is φ = 2039866800.

The previous prime is 2040042601. The next prime is 2040042649. The reversal of 2040042611 is 1162400402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1162400402 = 2 ⋅581200201.

It is a cyclic number.

It is not a de Polignac number, because 2040042611 - 2⁶ = 2040042547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040042601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69170 + ... + 94151.

It is an arithmetic number, because the mean of its divisors is an integer number (510054606).

Almost surely, 2^2040042611 is an apocalyptic number.

2040042611 is a deficient number, since it is larger than the sum of its proper divisors (175813).

2040042611 is a wasteful number, since it uses less digits than its factorization.

2040042611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175812.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2040042611 is about 45166.8308717802. The cubic root of 2040042611 is about 1268.2739714152.

The spelling of 2040042611 in words is "two billion, forty million, forty-two thousand, six hundred eleven".