450640927 has 16 divisors (see below), whose sum is σ = 504299520. Its totient is φ = 399204000.

The previous prime is 450640907. The next prime is 450640937. The reversal of 450640927 is 729046054.

It is a cyclic number.

It is not a de Polignac number, because 450640927 - 2²³ = 442252319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450640907) 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 in 15 ways as a sum of consecutive naturals, for example, 85474 + ... + 90592.

It is an arithmetic number, because the mean of its divisors is an integer number (31518720).

Almost surely, 2^450640927 is an apocalyptic number.

450640927 is a deficient number, since it is larger than the sum of its proper divisors (53658593).

450640927 is a wasteful number, since it uses less digits than its factorization.

450640927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 450640927 is about 21228.3048546039. The cubic root of 450640927 is about 766.6730734394.

The spelling of 450640927 in words is "four hundred fifty million, six hundred forty thousand, nine hundred twenty-seven".