40504104413 has 2 divisors, whose sum is σ = 40504104414. Its totient is φ = 40504104412.

The previous prime is 40504104287. The next prime is 40504104419. The reversal of 40504104413 is 31440140504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22511101369 + 17993003044 = 150037^2 + 134138^2 .

It is a cyclic number.

It is not a de Polignac number, because 40504104413 - 2¹² = 40504100317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40504104419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20252052206 + 20252052207.

It is an arithmetic number, because the mean of its divisors is an integer number (20252052207).

Almost surely, 2^40504104413 is an apocalyptic number.

It is an amenable number.

40504104413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40504104413 is an equidigital number, since it uses as much as digits as its factorization.

40504104413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40504104413 its reverse (31440140504), we get a palindrome (71944244917).

The spelling of 40504104413 in words is "forty billion, five hundred four million, one hundred four thousand, four hundred thirteen".