630450560 has 32 divisors (see below), whose sum is σ = 1507172400. Its totient is φ = 252179968.

The previous prime is 630450553. The next prime is 630450581. The reversal of 630450560 is 65054036.

It is a tau number, because it is divible by the number of its divisors (32).

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, 491900 + ... + 493179.

Almost surely, 2^630450560 is an apocalyptic number.

It is an amenable number.

630450560 is an abundant number, since it is smaller than the sum of its proper divisors (876721840).

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

630450560 is an equidigital number, since it uses as much as digits as its factorization.

630450560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985098 (or 985086 counting only the distinct ones).

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

The square root of 630450560 is about 25108.7745618937. The cubic root of 630450560 is about 857.4662035090.

The spelling of 630450560 in words is "six hundred thirty million, four hundred fifty thousand, five hundred sixty".