40804901057 has 2 divisors, whose sum is σ = 40804901058. Its totient is φ = 40804901056.

The previous prime is 40804901017. The next prime is 40804901099. The reversal of 40804901057 is 75010940804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37632508081 + 3172392976 = 193991^2 + 56324^2 .

It is a cyclic number.

It is not a de Polignac number, because 40804901057 - 2¹⁰ = 40804900033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40804901057.

It is not a weakly prime, because it can be changed into another prime (40804901017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20402450528 + 20402450529.

It is an arithmetic number, because the mean of its divisors is an integer number (20402450529).

Almost surely, 2^40804901057 is an apocalyptic number.

It is an amenable number.

40804901057 is a deficient number, since it is larger than the sum of its proper divisors (1).

40804901057 is an equidigital number, since it uses as much as digits as its factorization.

40804901057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 40804901057 in words is "forty billion, eight hundred four million, nine hundred one thousand, fifty-seven".