630045056 has 16 divisors (see below), whose sum is σ = 1255168140. Its totient is φ = 315022464.

The previous prime is 630045043. The next prime is 630045061. The reversal of 630045056 is 650540036.

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 2460986 + ... + 2461241.

Almost surely, 2^630045056 is an apocalyptic number.

It is an amenable number.

630045056 is a deficient number, since it is larger than the sum of its proper divisors (625123084).

630045056 is an equidigital number, since it uses as much as digits as its factorization.

630045056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922241 (or 4922229 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 630045056 is about 25100.6983169792. The cubic root of 630045056 is about 857.2823241419.

The spelling of 630045056 in words is "six hundred thirty million, forty-five thousand, fifty-six".