40284529 has 2 divisors, whose sum is σ = 40284530. Its totient is φ = 40284528.

The previous prime is 40284481. The next prime is 40284553. The reversal of 40284529 is 92548204.

40284529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 4524129 = 5980^2 + 2127^2 .

It is a cyclic number.

It is not a de Polignac number, because 40284529 - 2⁷ = 40284401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40284494 and 40284503.

It is not a weakly prime, because it can be changed into another prime (40284589) 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, 20142264 + 20142265.

It is an arithmetic number, because the mean of its divisors is an integer number (20142265).

Almost surely, 2^40284529 is an apocalyptic number.

It is an amenable number.

40284529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40284529 is an equidigital number, since it uses as much as digits as its factorization.

40284529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 40284529 is about 6347.0094532780. The cubic root of 40284529 is about 342.8041704453.

The spelling of 40284529 in words is "forty million, two hundred eighty-four thousand, five hundred twenty-nine".