4040149957 has 2 divisors, whose sum is σ = 4040149958. Its totient is φ = 4040149956.

The previous prime is 4040149951. The next prime is 4040149999. The reversal of 4040149957 is 7599410404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3029291521 + 1010858436 = 55039^2 + 31794^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040149957 - 2²⁷ = 3905932229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040149951) 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 as a sum of consecutive naturals, namely, 2020074978 + 2020074979.

It is an arithmetic number, because the mean of its divisors is an integer number (2020074979).

Almost surely, 2^4040149957 is an apocalyptic number.

It is an amenable number.

4040149957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040149957 is an equidigital number, since it uses as much as digits as its factorization.

4040149957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 4040149957 is about 63562.1739480330. The cubic root of 4040149957 is about 1592.6945537858.

The spelling of 4040149957 in words is "four billion, forty million, one hundred forty-nine thousand, nine hundred fifty-seven".