450534656 has 144 divisors (see below), whose sum is σ = 1093360128. Its totient is φ = 182476800.

The previous prime is 450534647. The next prime is 450534701. The reversal of 450534656 is 656435054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134650 + ... + 1135046.

Almost surely, 2^450534656 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 450534656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546680064).

450534656 is an abundant number, since it is smaller than the sum of its proper divisors (642825472).

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

450534656 is a wasteful number, since it uses less digits than its factorization.

450534656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 450534656 is about 21225.8016574169. The cubic root of 450534656 is about 766.6128026009.

The spelling of 450534656 in words is "four hundred fifty million, five hundred thirty-four thousand, six hundred fifty-six".