40533863 has 2 divisors, whose sum is σ = 40533864. Its totient is φ = 40533862.

The previous prime is 40533841. The next prime is 40533869. The reversal of 40533863 is 36833504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40533863 - 2⁶ = 40533799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40533869) 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, 20266931 + 20266932.

It is an arithmetic number, because the mean of its divisors is an integer number (20266932).

Almost surely, 2^40533863 is an apocalyptic number.

40533863 is a deficient number, since it is larger than the sum of its proper divisors (1).

40533863 is an equidigital number, since it uses as much as digits as its factorization.

40533863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 40533863 is about 6366.6210033266. The cubic root of 40533863 is about 343.5099583456.

The spelling of 40533863 in words is "forty million, five hundred thirty-three thousand, eight hundred sixty-three".