450055018 has 16 divisors (see below), whose sum is σ = 771929280. Its totient is φ = 192779136.

The previous prime is 450054977. The next prime is 450055027. The reversal of 450055018 is 810550054.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23130 + ... + 37882.

It is an arithmetic number, because the mean of its divisors is an integer number (48245580).

Almost surely, 2^450055018 is an apocalyptic number.

450055018 is a deficient number, since it is larger than the sum of its proper divisors (321874262).

450055018 is a wasteful number, since it uses less digits than its factorization.

450055018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16941.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 450055018 is about 21214.5001826581. The cubic root of 450055018 is about 766.3406613523.

The spelling of 450055018 in words is "four hundred fifty million, fifty-five thousand, eighteen".