630635552 has 24 divisors (see below), whose sum is σ = 1264992876. Its totient is φ = 309367552.

The previous prime is 630635521. The next prime is 630635567. The reversal of 630635552 is 255536036.

It can be written as a sum of positive squares in 2 ways, for example, as 616826896 + 13808656 = 24836^2 + 3716^2 .

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 3 ways as a sum of consecutive naturals, for example, 184223 + ... + 187614.

Almost surely, 2^630635552 is an apocalyptic number.

It is an amenable number.

630635552 is an abundant number, since it is smaller than the sum of its proper divisors (634357324).

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

630635552 is a wasteful number, since it uses less digits than its factorization.

630635552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371900 (or 371892 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 630635552 is about 25112.4581034991. The cubic root of 630635552 is about 857.5500635743.

The spelling of 630635552 in words is "six hundred thirty million, six hundred thirty-five thousand, five hundred fifty-two".