630852450 has 48 divisors (see below), whose sum is σ = 1571149440. Its totient is φ = 167513920.

The previous prime is 630852437. The next prime is 630852461. The reversal of 630852450 is 54258036.

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 23 ways as a sum of consecutive naturals, for example, 27052 + ... + 44648.

It is an arithmetic number, because the mean of its divisors is an integer number (32732280).

Almost surely, 2^630852450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630852450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785574720).

630852450 is an abundant number, since it is smaller than the sum of its proper divisors (940296990).

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

630852450 is a wasteful number, since it uses less digits than its factorization.

630852450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17851 (or 17846 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 630852450 is about 25116.7762660736. The cubic root of 630852450 is about 857.6483662961.

The spelling of 630852450 in words is "six hundred thirty million, eight hundred fifty-two thousand, four hundred fifty".