40744127191 has 2 divisors, whose sum is σ = 40744127192. Its totient is φ = 40744127190.

The previous prime is 40744127183. The next prime is 40744127197. The reversal of 40744127191 is 19172144704.

40744127191 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 is a cyclic number.

It is not a de Polignac number, because 40744127191 - 2³ = 40744127183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40744127197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20372063595 + 20372063596.

It is an arithmetic number, because the mean of its divisors is an integer number (20372063596).

Almost surely, 2^40744127191 is an apocalyptic number.

40744127191 is a deficient number, since it is larger than the sum of its proper divisors (1).

40744127191 is an equidigital number, since it uses as much as digits as its factorization.

40744127191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 40744127191 in words is "forty billion, seven hundred forty-four million, one hundred twenty-seven thousand, one hundred ninety-one".