40078043337067 has 2 divisors, whose sum is σ = 40078043337068. Its totient is φ = 40078043337066.

The previous prime is 40078043337053. The next prime is 40078043337083. The reversal of 40078043337067 is 76073334087004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40078043337067 - 2⁷ = 40078043336939 is a prime.

It is not a weakly prime, because it can be changed into another prime (40078043337037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20039021668533 + 20039021668534.

It is an arithmetic number, because the mean of its divisors is an integer number (20039021668534).

Almost surely, 2^{40078043337067} is an apocalyptic number.

40078043337067 is a deficient number, since it is larger than the sum of its proper divisors (1).

40078043337067 is an equidigital number, since it uses as much as digits as its factorization.

40078043337067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 52.

The spelling of 40078043337067 in words is "forty trillion, seventy-eight billion, forty-three million, three hundred thirty-seven thousand, sixty-seven".