2040181057 has 2 divisors, whose sum is σ = 2040181058. Its totient is φ = 2040181056.

The previous prime is 2040181027. The next prime is 2040181061. The reversal of 2040181057 is 7501810402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1649090881 + 391090176 = 40609^2 + 19776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040181057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040181007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020090528 + 1020090529.

It is an arithmetic number, because the mean of its divisors is an integer number (1020090529).

Almost surely, 2^2040181057 is an apocalyptic number.

It is an amenable number.

2040181057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040181057 is an equidigital number, since it uses as much as digits as its factorization.

2040181057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 2040181057 is about 45168.3634527531. The cubic root of 2040181057 is about 1268.3026609281.

Adding to 2040181057 its reverse (7501810402), we get a palindrome (9541991459).

The spelling of 2040181057 in words is "two billion, forty million, one hundred eighty-one thousand, fifty-seven".