40736230393 has 2 divisors, whose sum is σ = 40736230394. Its totient is φ = 40736230392.

The previous prime is 40736230361. The next prime is 40736230459. The reversal of 40736230393 is 39303263704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21522943849 + 19213286544 = 146707^2 + 138612^2 .

It is a cyclic number.

It is not a de Polignac number, because 40736230393 - 2⁵ = 40736230361 is a prime.

It is not a weakly prime, because it can be changed into another prime (40736236393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20368115196 + 20368115197.

It is an arithmetic number, because the mean of its divisors is an integer number (20368115197).

Almost surely, 2^40736230393 is an apocalyptic number.

It is an amenable number.

40736230393 is a deficient number, since it is larger than the sum of its proper divisors (1).

40736230393 is an equidigital number, since it uses as much as digits as its factorization.

40736230393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 40.

The spelling of 40736230393 in words is "forty billion, seven hundred thirty-six million, two hundred thirty thousand, three hundred ninety-three".