450845418 has 16 divisors (see below), whose sum is σ = 902753280. Its totient is φ = 150104736.

The previous prime is 450845413. The next prime is 450845441. The reversal of 450845418 is 814548054.

It is not an unprimeable number, because it can be changed into a prime (450845413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38698 + ... + 48981.

It is an arithmetic number, because the mean of its divisors is an integer number (56422080).

Almost surely, 2^450845418 is an apocalyptic number.

450845418 is an abundant number, since it is smaller than the sum of its proper divisors (451907862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450845418 is a wasteful number, since it uses less digits than its factorization.

450845418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88541.

The product of its (nonzero) digits is 102400, while the sum is 39.

The square root of 450845418 is about 21233.1207786326. The cubic root of 450845418 is about 766.7890223956.

The spelling of 450845418 in words is "four hundred fifty million, eight hundred forty-five thousand, four hundred eighteen".