450500650 has 24 divisors (see below), whose sum is σ = 842790924. Its totient is φ = 179155200.

The previous prime is 450500627. The next prime is 450500651. The reversal of 450500650 is 56005054.

It can be written as a sum of positive squares in 6 ways, for example, as 162078361 + 288422289 = 12731^2 + 16983^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (450500651) 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 11 ways as a sum of consecutive naturals, for example, 17391 + ... + 34690.

Almost surely, 2^450500650 is an apocalyptic number.

450500650 is a deficient number, since it is larger than the sum of its proper divisors (392290274).

450500650 is a wasteful number, since it uses less digits than its factorization.

450500650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52266 (or 52261 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 450500650 is about 21225.0005889281. Note that the first 3 decimals coincide. The cubic root of 450500650 is about 766.5935143394.

Subtracting from 450500650 its sum of digits (25), we obtain a square (450500625 = 21225²).

The spelling of 450500650 in words is "four hundred fifty million, five hundred thousand, six hundred fifty".