630112400 has 30 divisors (see below), whose sum is σ = 1513846002. Its totient is φ = 252044800.

The previous prime is 630112397. The next prime is 630112423. The reversal of 630112400 is 4211036.

It can be written as a sum of positive squares in 3 ways, for example, as 219158416 + 410953984 = 14804^2 + 20272^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787241 + ... + 788040.

Almost surely, 2^630112400 is an apocalyptic number.

It is an amenable number.

630112400 is an abundant number, since it is smaller than the sum of its proper divisors (883733602).

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

630112400 is a wasteful number, since it uses less digits than its factorization.

630112400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575299 (or 1575288 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 630112400 is about 25102.0397577567. The cubic root of 630112400 is about 857.3128673353.

Adding to 630112400 its reverse (4211036), we get a palindrome (634323436).

The spelling of 630112400 in words is "six hundred thirty million, one hundred twelve thousand, four hundred".