630256336 has 20 divisors (see below), whose sum is σ = 1233713572. Its totient is φ = 311878656.

The previous prime is 630256313. The next prime is 630256427. The reversal of 630256336 is 633652036.

It can be written as a sum of positive squares in 2 ways, for example, as 512750736 + 117505600 = 22644^2 + 10840^2 .

It is a congruent number.

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, 201495 + ... + 204598.

Almost surely, 2^630256336 is an apocalyptic number.

It is an amenable number.

630256336 is a deficient number, since it is larger than the sum of its proper divisors (603457236).

630256336 is a wasteful number, since it uses less digits than its factorization.

630256336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406198 (or 406192 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 34.

The square root of 630256336 is about 25104.9066120549. The cubic root of 630256336 is about 857.3781407638.

The spelling of 630256336 in words is "six hundred thirty million, two hundred fifty-six thousand, three hundred thirty-six".