2040434161 has 8 divisors (see below), whose sum is σ = 2055249000. Its totient is φ = 2025634560.

The previous prime is 2040434119. The next prime is 2040434173. The reversal of 2040434161 is 1614340402.

It can be written as a sum of positive squares in 4 ways, for example, as 314530225 + 1725903936 = 17735^2 + 41544^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040434161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040432161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479001 + ... + 483241.

It is an arithmetic number, because the mean of its divisors is an integer number (256906125).

Almost surely, 2^2040434161 is an apocalyptic number.

It is an amenable number.

2040434161 is a deficient number, since it is larger than the sum of its proper divisors (14814839).

2040434161 is a wasteful number, since it uses less digits than its factorization.

2040434161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7619.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2040434161 is about 45171.1651499051. The cubic root of 2040434161 is about 1268.3551071234.

Adding to 2040434161 its reverse (1614340402), we get a palindrome (3654774563).

The spelling of 2040434161 in words is "two billion, forty million, four hundred thirty-four thousand, one hundred sixty-one".