630287488 has 32 divisors (see below), whose sum is σ = 1267868160. Its totient is φ = 312077568.

The previous prime is 630287477. The next prime is 630287491. The reversal of 630287488 is 884782036.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10720 + ... + 37087.

It is an arithmetic number, because the mean of its divisors is an integer number (39620880).

Almost surely, 2^630287488 is an apocalyptic number.

It is an amenable number.

630287488 is an abundant number, since it is smaller than the sum of its proper divisors (637580672).

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

630287488 is a wasteful number, since it uses less digits than its factorization.

630287488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47924 (or 47912 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The square root of 630287488 is about 25105.5270408729. The cubic root of 630287488 is about 857.3922665527.

The spelling of 630287488 in words is "six hundred thirty million, two hundred eighty-seven thousand, four hundred eighty-eight".