630264556 has 12 divisors (see below), whose sum is σ = 1106089992. Its totient is φ = 314238848.

The previous prime is 630264541. The next prime is 630264559. The reversal of 630264556 is 655462036.

It is not an unprimeable number, because it can be changed into a prime (630264559) by changing a digit.

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, 221770 + ... + 224593.

It is an arithmetic number, because the mean of its divisors is an integer number (92174166).

Almost surely, 2^630264556 is an apocalyptic number.

It is an amenable number.

630264556 is a deficient number, since it is larger than the sum of its proper divisors (475825436).

630264556 is a wasteful number, since it uses less digits than its factorization.

630264556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446720 (or 446718 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 630264556 is about 25105.0703245380. The cubic root of 630264556 is about 857.3818681454.

The spelling of 630264556 in words is "six hundred thirty million, two hundred sixty-four thousand, five hundred fifty-six".