450720368 has 20 divisors (see below), whose sum is σ = 998023920. Its totient is φ = 193165824.

The previous prime is 450720331. The next prime is 450720419. The reversal of 450720368 is 863027054.

It is a happy number.

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, 2012033 + ... + 2012256.

It is an arithmetic number, because the mean of its divisors is an integer number (49901196).

Almost surely, 2^450720368 is an apocalyptic number.

It is an amenable number.

450720368 is an abundant number, since it is smaller than the sum of its proper divisors (547303552).

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

450720368 is a wasteful number, since it uses less digits than its factorization.

450720368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024304 (or 4024298 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 450720368 is about 21230.1758824556. The cubic root of 450720368 is about 766.7181216463.

The spelling of 450720368 in words is "four hundred fifty million, seven hundred twenty thousand, three hundred sixty-eight".