40040340411361 has 2 divisors, whose sum is σ = 40040340411362. Its totient is φ = 40040340411360.

The previous prime is 40040340411343. The next prime is 40040340411431. The reversal of 40040340411361 is 16311404304004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38408510451600 + 1631829959761 = 6197460^2 + 1277431^2 .

It is a cyclic number.

It is not a de Polignac number, because 40040340411361 - 2⁷ = 40040340411233 is a prime.

It is not a weakly prime, because it can be changed into another prime (40040340471361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020170205680 + 20020170205681.

It is an arithmetic number, because the mean of its divisors is an integer number (20020170205681).

Almost surely, 2^{40040340411361} is an apocalyptic number.

It is an amenable number.

40040340411361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040340411361 is an equidigital number, since it uses as much as digits as its factorization.

40040340411361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 40040340411361 its reverse (16311404304004), we get a palindrome (56351744715365).

The spelling of 40040340411361 in words is "forty trillion, forty billion, three hundred forty million, four hundred eleven thousand, three hundred sixty-one".