40556895484177 has 2 divisors, whose sum is σ = 40556895484178. Its totient is φ = 40556895484176.

The previous prime is 40556895484129. The next prime is 40556895484199. The reversal of 40556895484177 is 77148459865504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26014906431361 + 14541989052816 = 5100481^2 + 3813396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40556895484177 is a prime.

It is not a weakly prime, because it can be changed into another prime (40556895487177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20278447742088 + 20278447742089.

It is an arithmetic number, because the mean of its divisors is an integer number (20278447742089).

Almost surely, 2^{40556895484177} is an apocalyptic number.

It is an amenable number.

40556895484177 is a deficient number, since it is larger than the sum of its proper divisors (1).

40556895484177 is an equidigital number, since it uses as much as digits as its factorization.

40556895484177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752000, while the sum is 73.

The spelling of 40556895484177 in words is "forty trillion, five hundred fifty-six billion, eight hundred ninety-five million, four hundred eighty-four thousand, one hundred seventy-seven".