450044689 has 8 divisors (see below), whose sum is σ = 476720640. Its totient is φ = 423391296.

The previous prime is 450044671. The next prime is 450044711. The reversal of 450044689 is 986440054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450044689 - 2¹³ = 450036497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450044629) 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 in 7 ways as a sum of consecutive naturals, for example, 52872 + ... + 60790.

It is an arithmetic number, because the mean of its divisors is an integer number (59590080).

Almost surely, 2^450044689 is an apocalyptic number.

It is an amenable number.

450044689 is a deficient number, since it is larger than the sum of its proper divisors (26675951).

450044689 is a wasteful number, since it uses less digits than its factorization.

450044689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11279.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 450044689 is about 21214.2567392780. The cubic root of 450044689 is about 766.3347986666.

The spelling of 450044689 in words is "four hundred fifty million, forty-four thousand, six hundred eighty-nine".