40043355137 has 2 divisors, whose sum is σ = 40043355138. Its totient is φ = 40043355136.

The previous prime is 40043355073. The next prime is 40043355161. The reversal of 40043355137 is 73155334004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37345176001 + 2698179136 = 193249^2 + 51944^2 .

It is a cyclic number.

It is not a de Polignac number, because 40043355137 - 2⁶ = 40043355073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40043355097 and 40043355106.

It is not a weakly prime, because it can be changed into another prime (40043355167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20021677568 + 20021677569.

It is an arithmetic number, because the mean of its divisors is an integer number (20021677569).

Almost surely, 2^40043355137 is an apocalyptic number.

It is an amenable number.

40043355137 is a deficient number, since it is larger than the sum of its proper divisors (1).

40043355137 is an equidigital number, since it uses as much as digits as its factorization.

40043355137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 40043355137 in words is "forty billion, forty-three million, three hundred fifty-five thousand, one hundred thirty-seven".