40254646177 has 2 divisors, whose sum is σ = 40254646178. Its totient is φ = 40254646176.

The previous prime is 40254646147. The next prime is 40254646189. The reversal of 40254646177 is 77164645204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27705269601 + 12549376576 = 166449^2 + 112024^2 .

It is a cyclic number.

It is not a de Polignac number, because 40254646177 - 2²⁷ = 40120428449 is a prime.

It is not a weakly prime, because it can be changed into another prime (40254646127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127323088 + 20127323089.

It is an arithmetic number, because the mean of its divisors is an integer number (20127323089).

Almost surely, 2^40254646177 is an apocalyptic number.

It is an amenable number.

40254646177 is a deficient number, since it is larger than the sum of its proper divisors (1).

40254646177 is an equidigital number, since it uses as much as digits as its factorization.

40254646177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 40254646177 in words is "forty billion, two hundred fifty-four million, six hundred forty-six thousand, one hundred seventy-seven".