40000667071 has 2 divisors, whose sum is σ = 40000667072. Its totient is φ = 40000667070.

The previous prime is 40000667029. The next prime is 40000667099. The reversal of 40000667071 is 17076600004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40000667071 - 2²⁵ = 39967112639 is a prime.

It is a super-3 number, since 3×40000667071³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40000667011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000333535 + 20000333536.

It is an arithmetic number, because the mean of its divisors is an integer number (20000333536).

Almost surely, 2^40000667071 is an apocalyptic number.

40000667071 is a deficient number, since it is larger than the sum of its proper divisors (1).

40000667071 is an equidigital number, since it uses as much as digits as its factorization.

40000667071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 40000667071 in words is "forty billion, six hundred sixty-seven thousand, seventy-one".