40144044719 has 2 divisors, whose sum is σ = 40144044720. Its totient is φ = 40144044718.

The previous prime is 40144044691. The next prime is 40144044761. The reversal of 40144044719 is 91744044104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40144044719 - 2¹² = 40144040623 is a prime.

It is a super-2 number, since 2×40144044719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40144044799) 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, 20072022359 + 20072022360.

It is an arithmetic number, because the mean of its divisors is an integer number (20072022360).

Almost surely, 2^40144044719 is an apocalyptic number.

40144044719 is a deficient number, since it is larger than the sum of its proper divisors (1).

40144044719 is an equidigital number, since it uses as much as digits as its factorization.

40144044719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 40144044719 in words is "forty billion, one hundred forty-four million, forty-four thousand, seven hundred nineteen".