40396177 has 2 divisors, whose sum is σ = 40396178. Its totient is φ = 40396176.

The previous prime is 40396157. The next prime is 40396219. The reversal of 40396177 is 77169304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36675136 + 3721041 = 6056^2 + 1929^2 .

It is a cyclic number.

It is not a de Polignac number, because 40396177 - 2¹⁹ = 39871889 is a prime.

It is a super-2 number, since 2×40396177² = 3263702232430658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40396157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20198088 + 20198089.

It is an arithmetic number, because the mean of its divisors is an integer number (20198089).

Almost surely, 2^40396177 is an apocalyptic number.

It is an amenable number.

40396177 is a deficient number, since it is larger than the sum of its proper divisors (1).

40396177 is an equidigital number, since it uses as much as digits as its factorization.

40396177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 40396177 is about 6355.7986909593. The cubic root of 40396177 is about 343.1205706222.

It can be divided in two parts, 403 and 96177, that added together give a triangular number (96580 = T₄₃₉).

The spelling of 40396177 in words is "forty million, three hundred ninety-six thousand, one hundred seventy-seven".