40606361 has 2 divisors, whose sum is σ = 40606362. Its totient is φ = 40606360.

The previous prime is 40606327. The next prime is 40606381. The reversal of 40606361 is 16360604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34633225 + 5973136 = 5885^2 + 2444^2 .

It is a cyclic number.

It is not a de Polignac number, because 40606361 - 2¹⁴ = 40589977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40606361.

It is not a weakly prime, because it can be changed into another prime (40606381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20303180 + 20303181.

It is an arithmetic number, because the mean of its divisors is an integer number (20303181).

Almost surely, 2^40606361 is an apocalyptic number.

It is an amenable number.

40606361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40606361 is an equidigital number, since it uses as much as digits as its factorization.

40606361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40606361 is about 6372.3120607830. The cubic root of 40606361 is about 343.7146345545.

Adding to 40606361 its reverse (16360604), we get a palindrome (56966965).

The spelling of 40606361 in words is "forty million, six hundred six thousand, three hundred sixty-one".