450455428 has 6 divisors (see below), whose sum is σ = 788297006. Its totient is φ = 225227712.

The previous prime is 450455419. The next prime is 450455429. The reversal of 450455428 is 824554054.

It can be written as a sum of positive squares in only one way, i.e., 361304064 + 89151364 = 19008^2 + 9442^2 .

It is a super-2 number, since 2×450455428² = 405820185229326368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450455429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56306925 + ... + 56306932.

Almost surely, 2^450455428 is an apocalyptic number.

It is an amenable number.

450455428 is a deficient number, since it is larger than the sum of its proper divisors (337841578).

450455428 is a wasteful number, since it uses less digits than its factorization.

450455428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112613861 (or 112613859 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

The square root of 450455428 is about 21223.9352618689. The cubic root of 450455428 is about 766.5678628396.

The spelling of 450455428 in words is "four hundred fifty million, four hundred fifty-five thousand, four hundred twenty-eight".