40144224137 has 2 divisors, whose sum is σ = 40144224138. Its totient is φ = 40144224136.

The previous prime is 40144224089. The next prime is 40144224149. The reversal of 40144224137 is 73142244104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24555203401 + 15589020736 = 156701^2 + 124856^2 .

It is a cyclic number.

It is not a de Polignac number, because 40144224137 - 2¹⁶ = 40144158601 is a prime.

It is a super-2 number, since 2×40144224137² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40144224437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20072112068 + 20072112069.

It is an arithmetic number, because the mean of its divisors is an integer number (20072112069).

Almost surely, 2^40144224137 is an apocalyptic number.

It is an amenable number.

40144224137 is a deficient number, since it is larger than the sum of its proper divisors (1).

40144224137 is an equidigital number, since it uses as much as digits as its factorization.

40144224137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 40144224137 in words is "forty billion, one hundred forty-four million, two hundred twenty-four thousand, one hundred thirty-seven".