450321696 has 144 divisors (see below), whose sum is σ = 1431507168. Its totient is φ = 133094400.

The previous prime is 450321667. The next prime is 450321701. The reversal of 450321696 is 696123054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 450321696.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128155 + ... + 131621.

It is an arithmetic number, because the mean of its divisors is an integer number (9941022).

Almost surely, 2^450321696 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 450321696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715753584).

450321696 is an abundant number, since it is smaller than the sum of its proper divisors (981185472).

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

450321696 is a wasteful number, since it uses less digits than its factorization.

450321696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 450321696 is about 21220.7845283816. The cubic root of 450321696 is about 766.4919953259.

The spelling of 450321696 in words is "four hundred fifty million, three hundred twenty-one thousand, six hundred ninety-six".