630005600 has 72 divisors (see below), whose sum is σ = 1757731248. Its totient is φ = 216000000.

The previous prime is 630005573. The next prime is 630005681. The reversal of 630005600 is 6500036.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50651 + ... + 61850.

It is an arithmetic number, because the mean of its divisors is an integer number (24412934).

Almost surely, 2^630005600 is an apocalyptic number.

It is an amenable number.

630005600 is an abundant number, since it is smaller than the sum of its proper divisors (1127725648).

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

630005600 is a wasteful number, since it uses less digits than its factorization.

630005600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112528 (or 112515 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 630005600 is about 25099.9123504446. The cubic root of 630005600 is about 857.2644282590.

Adding to 630005600 its reverse (6500036), we get a palindrome (636505636).

The spelling of 630005600 in words is "six hundred thirty million, five thousand, six hundred".