630441152 has 56 divisors (see below), whose sum is σ = 1367649792. Its totient is φ = 285958400.

The previous prime is 630441143. The next prime is 630441167. The reversal of 630441152 is 251144036.

It is a super-4 number, since 4×630441152⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640853 + ... + 641835.

Almost surely, 2^630441152 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 630441152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683824896).

630441152 is an abundant number, since it is smaller than the sum of its proper divisors (737208640).

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

630441152 is a wasteful number, since it uses less digits than its factorization.

630441152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 630441152 is about 25108.5872163290. The cubic root of 630441152 is about 857.4619382619.

Adding to 630441152 its reverse (251144036), we get a palindrome (881585188).

The spelling of 630441152 in words is "six hundred thirty million, four hundred forty-one thousand, one hundred fifty-two".