630552980 has 24 divisors (see below), whose sum is σ = 1324632960. Its totient is φ = 252131360.

The previous prime is 630552971. The next prime is 630552997. The reversal of 630552980 is 89255036.

630552980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 109001 + ... + 114639.

It is an arithmetic number, because the mean of its divisors is an integer number (55193040).

Almost surely, 2^630552980 is an apocalyptic number.

It is an amenable number.

630552980 is an abundant number, since it is smaller than the sum of its proper divisors (694079980).

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

630552980 is a wasteful number, since it uses less digits than its factorization.

630552980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239 (or 11237 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 630552980 is about 25110.8140051254. The cubic root of 630552980 is about 857.5126342887.

The spelling of 630552980 in words is "six hundred thirty million, five hundred fifty-two thousand, nine hundred eighty".