40340355667 has 2 divisors, whose sum is σ = 40340355668. Its totient is φ = 40340355666.

The previous prime is 40340355617. The next prime is 40340355673. The reversal of 40340355667 is 76655304304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40340355667 - 2¹⁹ = 40339831379 is a prime.

It is not a weakly prime, because it can be changed into another prime (40340355617) 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, 20170177833 + 20170177834.

It is an arithmetic number, because the mean of its divisors is an integer number (20170177834).

Almost surely, 2^40340355667 is an apocalyptic number.

40340355667 is a deficient number, since it is larger than the sum of its proper divisors (1).

40340355667 is an equidigital number, since it uses as much as digits as its factorization.

40340355667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 40340355667 in words is "forty billion, three hundred forty million, three hundred fifty-five thousand, six hundred sixty-seven".