40240442219 has 2 divisors, whose sum is σ = 40240442220. Its totient is φ = 40240442218.

The previous prime is 40240442201. The next prime is 40240442227. The reversal of 40240442219 is 91224404204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40240442219 - 2²⁰ = 40239393643 is a prime.

It is a super-2 number, since 2×40240442219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40240442279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120221109 + 20120221110.

It is an arithmetic number, because the mean of its divisors is an integer number (20120221110).

Almost surely, 2^40240442219 is an apocalyptic number.

40240442219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40240442219 is an equidigital number, since it uses as much as digits as its factorization.

40240442219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 40240442219 in words is "forty billion, two hundred forty million, four hundred forty-two thousand, two hundred nineteen".