40738067767 has 2 divisors, whose sum is σ = 40738067768. Its totient is φ = 40738067766.

The previous prime is 40738067743. The next prime is 40738067771. The reversal of 40738067767 is 76776083704.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40738067767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40738067707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20369033883 + 20369033884.

It is an arithmetic number, because the mean of its divisors is an integer number (20369033884).

Almost surely, 2^40738067767 is an apocalyptic number.

40738067767 is a deficient number, since it is larger than the sum of its proper divisors (1).

40738067767 is an equidigital number, since it uses as much as digits as its factorization.

40738067767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8297856, while the sum is 55.

The spelling of 40738067767 in words is "forty billion, seven hundred thirty-eight million, sixty-seven thousand, seven hundred sixty-seven".