40116365197 has 2 divisors, whose sum is σ = 40116365198. Its totient is φ = 40116365196.

The previous prime is 40116365143. The next prime is 40116365249. The reversal of 40116365197 is 79156361104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37717912521 + 2398452676 = 194211^2 + 48974^2 .

It is a cyclic number.

It is not a de Polignac number, because 40116365197 - 2¹⁵ = 40116332429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40116365137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20058182598 + 20058182599.

It is an arithmetic number, because the mean of its divisors is an integer number (20058182599).

Almost surely, 2^40116365197 is an apocalyptic number.

It is an amenable number.

40116365197 is a deficient number, since it is larger than the sum of its proper divisors (1).

40116365197 is an equidigital number, since it uses as much as digits as its factorization.

40116365197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 40116365197 in words is "forty billion, one hundred sixteen million, three hundred sixty-five thousand, one hundred ninety-seven".