630267040 has 48 divisors (see below), whose sum is σ = 1603550088. Its totient is φ = 232713216.

The previous prime is 630267037. The next prime is 630267041. The reversal of 630267040 is 40762036.

It can be written as a sum of positive squares in 4 ways, for example, as 315275536 + 314991504 = 17756^2 + 17748^2 .

It is not an unprimeable number, because it can be changed into a prime (630267041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 149427 + ... + 153586.

Almost surely, 2^630267040 is an apocalyptic number.

It is an amenable number.

630267040 is an abundant number, since it is smaller than the sum of its proper divisors (973283048).

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

630267040 is a wasteful number, since it uses less digits than its factorization.

630267040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303041 (or 303033 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 630267040 is about 25105.1197965674. The cubic root of 630267040 is about 857.3829945157.

The spelling of 630267040 in words is "six hundred thirty million, two hundred sixty-seven thousand, forty".