40628177 has 2 divisors, whose sum is σ = 40628178. Its totient is φ = 40628176.

The previous prime is 40628153. The next prime is 40628179. The reversal of 40628177 is 77182604.

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., 40398736 + 229441 = 6356^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 40628177 - 2⁸ = 40627921 is a prime.

Together with 40628179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40628179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20314088 + 20314089.

It is an arithmetic number, because the mean of its divisors is an integer number (20314089).

Almost surely, 2^40628177 is an apocalyptic number.

It is an amenable number.

40628177 is a deficient number, since it is larger than the sum of its proper divisors (1).

40628177 is an equidigital number, since it uses as much as digits as its factorization.

40628177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 40628177 is about 6374.0236115032. The cubic root of 40628177 is about 343.7761777530.

The spelling of 40628177 in words is "forty million, six hundred twenty-eight thousand, one hundred seventy-seven".