40050660269 has 2 divisors, whose sum is σ = 40050660270. Its totient is φ = 40050660268.

The previous prime is 40050660239. The next prime is 40050660289. The reversal of 40050660269 is 96206605004.

40050660269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25898464900 + 14152195369 = 160930^2 + 118963^2 .

It is a cyclic number.

It is not a de Polignac number, because 40050660269 - 2¹⁶ = 40050594733 is a prime.

It is a super-2 number, since 2×40050660269² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40050660239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20025330134 + 20025330135.

It is an arithmetic number, because the mean of its divisors is an integer number (20025330135).

Almost surely, 2^40050660269 is an apocalyptic number.

It is an amenable number.

40050660269 is a deficient number, since it is larger than the sum of its proper divisors (1).

40050660269 is an equidigital number, since it uses as much as digits as its factorization.

40050660269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 40050660269 in words is "forty billion, fifty million, six hundred sixty thousand, two hundred sixty-nine".