40669333 has 2 divisors, whose sum is σ = 40669334. Its totient is φ = 40669332.

The previous prime is 40669331. The next prime is 40669361. The reversal of 40669333 is 33396604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38229489 + 2439844 = 6183^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 40669333 - 2¹ = 40669331 is a prime.

It is a super-4 number, since 4×40669333⁴ (a number of 32 digits) contains 4444 as substring.

Together with 40669331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40669331) 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, 20334666 + 20334667.

It is an arithmetic number, because the mean of its divisors is an integer number (20334667).

Almost surely, 2^40669333 is an apocalyptic number.

It is an amenable number.

40669333 is a deficient number, since it is larger than the sum of its proper divisors (1).

40669333 is an equidigital number, since it uses as much as digits as its factorization.

40669333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 34.

The square root of 40669333 is about 6377.2512103570. The cubic root of 40669333 is about 343.8922193665.

The spelling of 40669333 in words is "forty million, six hundred sixty-nine thousand, three hundred thirty-three".