450426489 has 8 divisors (see below), whose sum is σ = 611900352. Its totient is φ = 294618480.

The previous prime is 450426469. The next prime is 450426499. The reversal of 450426489 is 984624054.

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

It is not a de Polignac number, because 450426489 - 2⁸ = 450426233 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 450426489.

It is not an unprimeable number, because it can be changed into a prime (450426439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416277 + ... + 1416594.

It is an arithmetic number, because the mean of its divisors is an integer number (76487544).

Almost surely, 2^450426489 is an apocalyptic number.

It is an amenable number.

450426489 is a deficient number, since it is larger than the sum of its proper divisors (161473863).

450426489 is a wasteful number, since it uses less digits than its factorization.

450426489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832927.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 450426489 is about 21223.2534970489. The cubic root of 450426489 is about 766.5514467260.

The spelling of 450426489 in words is "four hundred fifty million, four hundred twenty-six thousand, four hundred eighty-nine".