40413040397 has 2 divisors, whose sum is σ = 40413040398. Its totient is φ = 40413040396.

The previous prime is 40413040387. The next prime is 40413040403. The reversal of 40413040397 is 79304031404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29491536361 + 10921504036 = 171731^2 + 104506^2 .

It is a cyclic number.

It is not a de Polignac number, because 40413040397 - 2⁸ = 40413040141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40413040387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20206520198 + 20206520199.

It is an arithmetic number, because the mean of its divisors is an integer number (20206520199).

Almost surely, 2^40413040397 is an apocalyptic number.

It is an amenable number.

40413040397 is a deficient number, since it is larger than the sum of its proper divisors (1).

40413040397 is an equidigital number, since it uses as much as digits as its factorization.

40413040397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 40413040397 in words is "forty billion, four hundred thirteen million, forty thousand, three hundred ninety-seven".