630204400 has 120 divisors (see below), whose sum is σ = 1741701024. Its totient is φ = 214656000.

The previous prime is 630204391. The next prime is 630204403. The reversal of 630204400 is 4402036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630204403) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 483750 + ... + 485050.

Almost surely, 2^630204400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630204400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870850512).

630204400 is an abundant number, since it is smaller than the sum of its proper divisors (1111496624).

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

630204400 is a wasteful number, since it uses less digits than its factorization.

630204400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 630204400 is about 25103.8722112745. The cubic root of 630204400 is about 857.3545894923.

Adding to 630204400 its reverse (4402036), we get a palindrome (634606436).

The spelling of 630204400 in words is "six hundred thirty million, two hundred four thousand, four hundred".