450248090 has 16 divisors (see below), whose sum is σ = 810703080. Its totient is φ = 180042240.

The previous prime is 450248087. The next prime is 450248129. The reversal of 450248090 is 90842054.

It can be written as a sum of positive squares in 4 ways, for example, as 212255761 + 237992329 = 14569^2 + 15427^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42530 + ... + 52050.

Almost surely, 2^450248090 is an apocalyptic number.

450248090 is a deficient number, since it is larger than the sum of its proper divisors (360454990).

450248090 is a wasteful number, since it uses less digits than its factorization.

450248090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14257.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 450248090 is about 21219.0501672436. The cubic root of 450248090 is about 766.4502314902.

The spelling of 450248090 in words is "four hundred fifty million, two hundred forty-eight thousand, ninety".