40403933 has 2 divisors, whose sum is σ = 40403934. Its totient is φ = 40403932.

The previous prime is 40403929. The next prime is 40403947. The reversal of 40403933 is 33930404.

40403933 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., 37724164 + 2679769 = 6142^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 40403933 - 2² = 40403929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40403833) 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, 20201966 + 20201967.

It is an arithmetic number, because the mean of its divisors is an integer number (20201967).

Almost surely, 2^40403933 is an apocalyptic number.

It is an amenable number.

40403933 is a deficient number, since it is larger than the sum of its proper divisors (1).

40403933 is an equidigital number, since it uses as much as digits as its factorization.

40403933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 40403933 is about 6356.4088131586. The cubic root of 40403933 is about 343.1425287466.

The spelling of 40403933 in words is "forty million, four hundred three thousand, nine hundred thirty-three".