40195601 has 2 divisors, whose sum is σ = 40195602. Its totient is φ = 40195600.

The previous prime is 40195577. The next prime is 40195607. The reversal of 40195601 is 10659104.

It is a Cunningham number, because it is equal to 6340²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 1 = 6340^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 40195601 - 2¹⁰ = 40194577 is a prime.

It is not a weakly prime, because it can be changed into another prime (40195607) 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, 20097800 + 20097801.

It is an arithmetic number, because the mean of its divisors is an integer number (20097801).

Almost surely, 2^40195601 is an apocalyptic number.

It is an amenable number.

40195601 is a deficient number, since it is larger than the sum of its proper divisors (1).

40195601 is an equidigital number, since it uses as much as digits as its factorization.

40195601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 40195601 is about 6340.0000788644. Note that the first 4 decimals coincide. The cubic root of 40195601 is about 342.5517381481.

The spelling of 40195601 in words is "forty million, one hundred ninety-five thousand, six hundred one".