630198468 has 30 divisors (see below), whose sum is σ = 1647464126. Its totient is φ = 210066048.

The previous prime is 630198451. The next prime is 630198521. The reversal of 630198468 is 864891036.

630198468 is a `hidden beast` number, since 630 + 1 + 9 + 8 + 4 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 361304064 + 268894404 = 19008^2 + 16398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 972205 + ... + 972852.

Almost surely, 2^630198468 is an apocalyptic number.

It is an amenable number.

630198468 is an abundant number, since it is smaller than the sum of its proper divisors (1017265658).

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

630198468 is a wasteful number, since it uses less digits than its factorization.

630198468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945073 (or 1945062 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 630198468 is about 25103.7540618928. The cubic root of 630198468 is about 857.3518994426.

The spelling of 630198468 in words is "six hundred thirty million, one hundred ninety-eight thousand, four hundred sixty-eight".