450285988 has 6 divisors (see below), whose sum is σ = 788000486. Its totient is φ = 225142992.

The previous prime is 450285971. The next prime is 450285989. The reversal of 450285988 is 889582054.

It can be written as a sum of positive squares in only one way, i.e., 403527744 + 46758244 = 20088^2 + 6838^2 .

It is a super-2 number, since 2×450285988² = 405514941978272288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450285989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56285745 + ... + 56285752.

Almost surely, 2^450285988 is an apocalyptic number.

It is an amenable number.

450285988 is a deficient number, since it is larger than the sum of its proper divisors (337714498).

450285988 is a wasteful number, since it uses less digits than its factorization.

450285988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112571501 (or 112571499 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 49.

The square root of 450285988 is about 21219.9431667476. The cubic root of 450285988 is about 766.4717352764.

The spelling of 450285988 in words is "four hundred fifty million, two hundred eighty-five thousand, nine hundred eighty-eight".