630272256 has 144 divisors (see below), whose sum is σ = 1805260800. Its totient is φ = 194586624.

The previous prime is 630272233. The next prime is 630272267. The reversal of 630272256 is 652272036.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685365 + ... + 686283.

Almost surely, 2^630272256 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 630272256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902630400).

630272256 is an abundant number, since it is smaller than the sum of its proper divisors (1174988544).

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

630272256 is a wasteful number, since it uses less digits than its factorization.

630272256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 630272256 is about 25105.2236795453. The cubic root of 630272256 is about 857.3853597023.

The spelling of 630272256 in words is "six hundred thirty million, two hundred seventy-two thousand, two hundred fifty-six".