450020208 has 80 divisors (see below), whose sum is σ = 1323415296. Its totient is φ = 130437120.

The previous prime is 450020201. The next prime is 450020251. The reversal of 450020208 is 802020054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6385 + ... + 30672.

Almost surely, 2^450020208 is an apocalyptic number.

450020208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

450020208 is an abundant number, since it is smaller than the sum of its proper divisors (873395088).

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

450020208 is a wasteful number, since it uses less digits than its factorization.

450020208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37102 (or 37096 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 450020208 is about 21213.6797373770. The cubic root of 450020208 is about 766.3209030226.

The spelling of 450020208 in words is "four hundred fifty million, twenty thousand, two hundred eight".