40358062861 has 2 divisors, whose sum is σ = 40358062862. Its totient is φ = 40358062860.

The previous prime is 40358062837. The next prime is 40358062867. The reversal of 40358062861 is 16826085304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25246032100 + 15112030761 = 158890^2 + 122931^2 .

It is a cyclic number.

It is not a de Polignac number, because 40358062861 - 2⁷ = 40358062733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40358062867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20179031430 + 20179031431.

It is an arithmetic number, because the mean of its divisors is an integer number (20179031431).

Almost surely, 2^40358062861 is an apocalyptic number.

It is an amenable number.

40358062861 is a deficient number, since it is larger than the sum of its proper divisors (1).

40358062861 is an equidigital number, since it uses as much as digits as its factorization.

40358062861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 40358062861 in words is "forty billion, three hundred fifty-eight million, sixty-two thousand, eight hundred sixty-one".