40525540057 has 2 divisors, whose sum is σ = 40525540058. Its totient is φ = 40525540056.

The previous prime is 40525540039. The next prime is 40525540061. The reversal of 40525540057 is 75004552504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40525313481 + 226576 = 201309^2 + 476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40525540057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40525539998 and 40525540025.

It is not a weakly prime, because it can be changed into another prime (40525540037) 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, 20262770028 + 20262770029.

It is an arithmetic number, because the mean of its divisors is an integer number (20262770029).

Almost surely, 2^40525540057 is an apocalyptic number.

It is an amenable number.

40525540057 is a deficient number, since it is larger than the sum of its proper divisors (1).

40525540057 is an equidigital number, since it uses as much as digits as its factorization.

40525540057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140000, while the sum is 37.

The spelling of 40525540057 in words is "forty billion, five hundred twenty-five million, five hundred forty thousand, fifty-seven".