40268089 has 2 divisors, whose sum is σ = 40268090. Its totient is φ = 40268088.

The previous prime is 40268083. The next prime is 40268119. The reversal of 40268089 is 98086204.

40268089 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., 36808489 + 3459600 = 6067^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 40268089 - 2⁵ = 40268057 is a prime.

It is a Chen prime.

It is equal to p_2448946 and since 40268089 and 2448946 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40268083) 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, 20134044 + 20134045.

It is an arithmetic number, because the mean of its divisors is an integer number (20134045).

Almost surely, 2^40268089 is an apocalyptic number.

It is an amenable number.

40268089 is a deficient number, since it is larger than the sum of its proper divisors (1).

40268089 is an equidigital number, since it uses as much as digits as its factorization.

40268089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 40268089 is about 6345.7142230012. The cubic root of 40268089 is about 342.7575316362.

The spelling of 40268089 in words is "forty million, two hundred sixty-eight thousand, eighty-nine".