40630241 has 2 divisors, whose sum is σ = 40630242. Its totient is φ = 40630240.

The previous prime is 40630237. The next prime is 40630273. The reversal of 40630241 is 14203604.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30294016 + 10336225 = 5504^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 40630241 - 2² = 40630237 is a prime.

It is not a weakly prime, because it can be changed into another prime (40630201) 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, 20315120 + 20315121.

It is an arithmetic number, because the mean of its divisors is an integer number (20315121).

Almost surely, 2^40630241 is an apocalyptic number.

It is an amenable number.

40630241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40630241 is an equidigital number, since it uses as much as digits as its factorization.

40630241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40630241 is about 6374.1855165974. The cubic root of 40630241 is about 343.7819991809.

Adding to 40630241 its reverse (14203604), we get a palindrome (54833845).

The spelling of 40630241 in words is "forty million, six hundred thirty thousand, two hundred forty-one".