630242210 has 32 divisors (see below), whose sum is σ = 1263835440. Its totient is φ = 224679168.

The previous prime is 630242209. The next prime is 630242227. The reversal of 630242210 is 12242036.

It can be written as a sum of positive squares in 8 ways, for example, as 36881329 + 593360881 = 6073^2 + 24359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79817 + ... + 87356.

Almost surely, 2^630242210 is an apocalyptic number.

630242210 is an abundant number, since it is smaller than the sum of its proper divisors (633593230).

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

630242210 is a wasteful number, since it uses less digits than its factorization.

630242210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167222.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 630242210 is about 25104.6252710531. The cubic root of 630242210 is about 857.3717352145.

Adding to 630242210 its reverse (12242036), we get a palindrome (642484246).

The spelling of 630242210 in words is "six hundred thirty million, two hundred forty-two thousand, two hundred ten".