40368180247 has 2 divisors, whose sum is σ = 40368180248. Its totient is φ = 40368180246.

The previous prime is 40368180241. The next prime is 40368180289. The reversal of 40368180247 is 74208186304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40368180247 - 2²³ = 40359791639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40368180241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20184090123 + 20184090124.

It is an arithmetic number, because the mean of its divisors is an integer number (20184090124).

Almost surely, 2^40368180247 is an apocalyptic number.

40368180247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40368180247 is an equidigital number, since it uses as much as digits as its factorization.

40368180247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 40368180247 in words is "forty billion, three hundred sixty-eight million, one hundred eighty thousand, two hundred forty-seven".