40357615169 has 2 divisors, whose sum is σ = 40357615170. Its totient is φ = 40357615168.

The previous prime is 40357615147. The next prime is 40357615201. The reversal of 40357615169 is 96151675304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35328961600 + 5028653569 = 187960^2 + 70913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40357615169 is a prime.

It is a super-2 number, since 2×40357615169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40357611169) 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, 20178807584 + 20178807585.

It is an arithmetic number, because the mean of its divisors is an integer number (20178807585).

Almost surely, 2^40357615169 is an apocalyptic number.

It is an amenable number.

40357615169 is a deficient number, since it is larger than the sum of its proper divisors (1).

40357615169 is an equidigital number, since it uses as much as digits as its factorization.

40357615169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 40357615169 in words is "forty billion, three hundred fifty-seven million, six hundred fifteen thousand, one hundred sixty-nine".