630644230 has 16 divisors (see below), whose sum is σ = 1153769904. Its totient is φ = 248122080.

The previous prime is 630644227. The next prime is 630644249. The reversal of 630644230 is 32446036.

630644230 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, 516312 + ... + 517531.

It is an arithmetic number, because the mean of its divisors is an integer number (72110619).

Almost surely, 2^630644230 is an apocalyptic number.

630644230 is a deficient number, since it is larger than the sum of its proper divisors (523125674).

630644230 is a wasteful number, since it uses less digits than its factorization.

630644230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033911.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 630644230 is about 25112.6308856719. The cubic root of 630644230 is about 857.5539970587.

The spelling of 630644230 in words is "six hundred thirty million, six hundred forty-four thousand, two hundred thirty".