630630132 has 24 divisors (see below), whose sum is σ = 1605240672. Its totient is φ = 191100000.

The previous prime is 630630127. The next prime is 630630157. The reversal of 630630132 is 231036036.

It is a congruent number.

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, 2388619 + ... + 2388882.

It is an arithmetic number, because the mean of its divisors is an integer number (66885028).

Almost surely, 2^630630132 is an apocalyptic number.

It is an amenable number.

630630132 is an abundant number, since it is smaller than the sum of its proper divisors (974610540).

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

630630132 is a wasteful number, since it uses less digits than its factorization.

630630132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777519 (or 4777517 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 630630132 is about 25112.3501887020. The cubic root of 630630132 is about 857.5476068280.

Adding to 630630132 its reverse (231036036), we get a palindrome (861666168).

The spelling of 630630132 in words is "six hundred thirty million, six hundred thirty thousand, one hundred thirty-two".