40156632071 has 2 divisors, whose sum is σ = 40156632072. Its totient is φ = 40156632070.

The previous prime is 40156632049. The next prime is 40156632149. The reversal of 40156632071 is 17023665104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40156632071 - 2⁶ = 40156632007 is a prime.

It is a super-2 number, since 2×40156632071² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40156632001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078316035 + 20078316036.

It is an arithmetic number, because the mean of its divisors is an integer number (20078316036).

Almost surely, 2^40156632071 is an apocalyptic number.

40156632071 is a deficient number, since it is larger than the sum of its proper divisors (1).

40156632071 is an equidigital number, since it uses as much as digits as its factorization.

40156632071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 40156632071 in words is "forty billion, one hundred fifty-six million, six hundred thirty-two thousand, seventy-one".