630280332 has 48 divisors (see below), whose sum is σ = 1782614400. Its totient is φ = 190993680.

The previous prime is 630280309. The next prime is 630280333. The reversal of 630280332 is 233082036.

630280332 is a `hidden beast` number, since 630 + 28 + 0 + 3 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 630280296 and 630280305.

It is not an unprimeable number, because it can be changed into a prime (630280333) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 264082 + ... + 266457.

It is an arithmetic number, because the mean of its divisors is an integer number (37137800).

Almost surely, 2^630280332 is an apocalyptic number.

It is an amenable number.

630280332 is an abundant number, since it is smaller than the sum of its proper divisors (1152334068).

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

630280332 is a wasteful number, since it uses less digits than its factorization.

630280332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530563 (or 530555 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 630280332 is about 25105.3845220502. The cubic root of 630280332 is about 857.3890217253.

The spelling of 630280332 in words is "six hundred thirty million, two hundred eighty thousand, three hundred thirty-two".