40469459 has 2 divisors, whose sum is σ = 40469460. Its totient is φ = 40469458.

The previous prime is 40469447. The next prime is 40469461. The reversal of 40469459 is 95496404.

40469459 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 is a cyclic number.

It is not a de Polignac number, because 40469459 - 2²⁴ = 23692243 is a prime.

It is a super-2 number, since 2×40469459² = 3275554223505362, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 40469461, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (40469059) 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, 20234729 + 20234730.

It is an arithmetic number, because the mean of its divisors is an integer number (20234730).

Almost surely, 2^40469459 is an apocalyptic number.

40469459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40469459 is an equidigital number, since it uses as much as digits as its factorization.

40469459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 40469459 is about 6361.5610505598. The cubic root of 40469459 is about 343.3279282986.

The spelling of 40469459 in words is "forty million, four hundred sixty-nine thousand, four hundred fifty-nine".