40195577 has 2 divisors, whose sum is σ = 40195578. Its totient is φ = 40195576.

The previous prime is 40195567. The next prime is 40195601. The reversal of 40195577 is 77559104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25110121 + 15085456 = 5011^2 + 3884^2 .

It is a cyclic number.

It is not a de Polignac number, because 40195577 - 2⁸ = 40195321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40195577.

It is not a weakly prime, because it can be changed into another prime (40195567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20097788 + 20097789.

It is an arithmetic number, because the mean of its divisors is an integer number (20097789).

Almost surely, 2^40195577 is an apocalyptic number.

It is an amenable number.

40195577 is a deficient number, since it is larger than the sum of its proper divisors (1).

40195577 is an equidigital number, since it uses as much as digits as its factorization.

40195577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 40195577 is about 6339.9981861196. The cubic root of 40195577 is about 342.5516699711.

The spelling of 40195577 in words is "forty million, one hundred ninety-five thousand, five hundred seventy-seven".