40156119929 has 2 divisors, whose sum is σ = 40156119930. Its totient is φ = 40156119928.

The previous prime is 40156119923. The next prime is 40156120031. The reversal of 40156119929 is 92991165104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20434130704 + 19721989225 = 142948^2 + 140435^2 .

It is a cyclic number.

It is not a de Polignac number, because 40156119929 - 2²⁴ = 40139342713 is a prime.

It is a super-2 number, since 2×40156119929² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40156119923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078059964 + 20078059965.

It is an arithmetic number, because the mean of its divisors is an integer number (20078059965).

Almost surely, 2^40156119929 is an apocalyptic number.

It is an amenable number.

40156119929 is a deficient number, since it is larger than the sum of its proper divisors (1).

40156119929 is an equidigital number, since it uses as much as digits as its factorization.

40156119929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 47.

The spelling of 40156119929 in words is "forty billion, one hundred fifty-six million, one hundred nineteen thousand, nine hundred twenty-nine".