40608345157 has 2 divisors, whose sum is σ = 40608345158. Its totient is φ = 40608345156.

The previous prime is 40608345143. The next prime is 40608345209. The reversal of 40608345157 is 75154380604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32198354721 + 8409990436 = 179439^2 + 91706^2 .

It is a cyclic number.

It is not a de Polignac number, because 40608345157 - 2¹⁵ = 40608312389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40608345257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20304172578 + 20304172579.

It is an arithmetic number, because the mean of its divisors is an integer number (20304172579).

Almost surely, 2^40608345157 is an apocalyptic number.

It is an amenable number.

40608345157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40608345157 is an equidigital number, since it uses as much as digits as its factorization.

40608345157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 40608345157 in words is "forty billion, six hundred eight million, three hundred forty-five thousand, one hundred fifty-seven".