450323616 has 96 divisors (see below), whose sum is σ = 1223304768. Its totient is φ = 144967680.

The previous prime is 450323611. The next prime is 450323711. The reversal of 450323616 is 616323054.

It is a tau number, because it is divible by the number of its divisors (96).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (450323611) 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, 340236 + ... + 341556.

It is an arithmetic number, because the mean of its divisors is an integer number (12742758).

Almost surely, 2^450323616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450323616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611652384).

450323616 is an abundant number, since it is smaller than the sum of its proper divisors (772981152).

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

450323616 is a wasteful number, since it uses less digits than its factorization.

450323616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 450323616 is about 21220.8297670002. The cubic root of 450323616 is about 766.4930846676.

The spelling of 450323616 in words is "four hundred fifty million, three hundred twenty-three thousand, six hundred sixteen".