40620133 has 2 divisors, whose sum is σ = 40620134. Its totient is φ = 40620132.

The previous prime is 40620121. The next prime is 40620169. The reversal of 40620133 is 33102604.

40620133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34656769 + 5963364 = 5887^2 + 2442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40620133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40620133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40626133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20310066 + 20310067.

It is an arithmetic number, because the mean of its divisors is an integer number (20310067).

Almost surely, 2^40620133 is an apocalyptic number.

It is an amenable number.

40620133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40620133 is an equidigital number, since it uses as much as digits as its factorization.

40620133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 40620133 is about 6373.3925816632. The cubic root of 40620133 is about 343.7534880968.

Adding to 40620133 its reverse (33102604), we get a palindrome (73722737).

The spelling of 40620133 in words is "forty million, six hundred twenty thousand, one hundred thirty-three".