40633577 has 2 divisors, whose sum is σ = 40633578. Its totient is φ = 40633576.

The previous prime is 40633559. The next prime is 40633627. The reversal of 40633577 is 77533604.

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., 24019801 + 16613776 = 4901^2 + 4076^2 .

It is a cyclic number.

It is not a de Polignac number, because 40633577 - 2¹⁶ = 40568041 is a prime.

It is a Chen prime.

It is equal to p_2469806 and since 40633577 and 2469806 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40633507) 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, 20316788 + 20316789.

It is an arithmetic number, because the mean of its divisors is an integer number (20316789).

Almost surely, 2^40633577 is an apocalyptic number.

It is an amenable number.

40633577 is a deficient number, since it is larger than the sum of its proper divisors (1).

40633577 is an equidigital number, since it uses as much as digits as its factorization.

40633577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 40633577 is about 6374.4471917179. The cubic root of 40633577 is about 343.7914078163.

The spelling of 40633577 in words is "forty million, six hundred thirty-three thousand, five hundred seventy-seven".