40144138219 has 2 divisors, whose sum is σ = 40144138220. Its totient is φ = 40144138218.

The previous prime is 40144138141. The next prime is 40144138253. The reversal of 40144138219 is 91283144104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40144138219 - 2⁷ = 40144138091 is a prime.

It is a super-2 number, since 2×40144138219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40144138819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20072069109 + 20072069110.

It is an arithmetic number, because the mean of its divisors is an integer number (20072069110).

Almost surely, 2^40144138219 is an apocalyptic number.

40144138219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40144138219 is an equidigital number, since it uses as much as digits as its factorization.

40144138219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 40144138219 in words is "forty billion, one hundred forty-four million, one hundred thirty-eight thousand, two hundred nineteen".