630215244 has 36 divisors (see below), whose sum is σ = 1644435520. Its totient is φ = 203294880.

The previous prime is 630215233. The next prime is 630215263. The reversal of 630215244 is 442512036.

630215244 is a `hidden beast` number, since 630 + 2 + 1 + 5 + 24 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 281239 + ... + 283470.

Almost surely, 2^630215244 is an apocalyptic number.

It is an amenable number.

630215244 is an abundant number, since it is smaller than the sum of its proper divisors (1014220276).

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

630215244 is a wasteful number, since it uses less digits than its factorization.

630215244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564750 (or 564745 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 630215244 is about 25104.0881929617. The cubic root of 630215244 is about 857.3595069973.

It can be divided in two parts, 63021 and 5244, that added together give a triangular number (68265 = T₃₆₉).

The spelling of 630215244 in words is "six hundred thirty million, two hundred fifteen thousand, two hundred forty-four".