40135110461 has 2 divisors, whose sum is σ = 40135110462. Its totient is φ = 40135110460.

The previous prime is 40135110451. The next prime is 40135110511. The reversal of 40135110461 is 16401153104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24517609561 + 15617500900 = 156581^2 + 124970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40135110461 is a prime.

It is a super-2 number, since 2×40135110461² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40135110461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40135110451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20067555230 + 20067555231.

It is an arithmetic number, because the mean of its divisors is an integer number (20067555231).

Almost surely, 2^40135110461 is an apocalyptic number.

It is an amenable number.

40135110461 is a deficient number, since it is larger than the sum of its proper divisors (1).

40135110461 is an equidigital number, since it uses as much as digits as its factorization.

40135110461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 40135110461 its reverse (16401153104), we get a palindrome (56536263565).

The spelling of 40135110461 in words is "forty billion, one hundred thirty-five million, one hundred ten thousand, four hundred sixty-one".