450020316 has 12 divisors (see below), whose sum is σ = 1050047432. Its totient is φ = 150006768.

The previous prime is 450020293. The next prime is 450020321. The reversal of 450020316 is 613020054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 450020292 and 450020301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18750835 + ... + 18750858.

Almost surely, 2^450020316 is an apocalyptic number.

It is an amenable number.

450020316 is an abundant number, since it is smaller than the sum of its proper divisors (600027116).

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

450020316 is a wasteful number, since it uses less digits than its factorization.

450020316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37501700 (or 37501698 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 450020316 is about 21213.6822829041. The cubic root of 450020316 is about 766.3209643255.

The spelling of 450020316 in words is "four hundred fifty million, twenty thousand, three hundred sixteen".