40382545913 has 2 divisors, whose sum is σ = 40382545914. Its totient is φ = 40382545912.

The previous prime is 40382545873. The next prime is 40382545921. The reversal of 40382545913 is 31954528304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25214899264 + 15167646649 = 158792^2 + 123157^2 .

It is a cyclic number.

It is not a de Polignac number, because 40382545913 - 2²⁰ = 40381497337 is a prime.

It is not a weakly prime, because it can be changed into another prime (40382545213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20191272956 + 20191272957.

It is an arithmetic number, because the mean of its divisors is an integer number (20191272957).

Almost surely, 2^40382545913 is an apocalyptic number.

It is an amenable number.

40382545913 is a deficient number, since it is larger than the sum of its proper divisors (1).

40382545913 is an equidigital number, since it uses as much as digits as its factorization.

40382545913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 40382545913 in words is "forty billion, three hundred eighty-two million, five hundred forty-five thousand, nine hundred thirteen".