630843044 has 24 divisors (see below), whose sum is σ = 1221032568. Its totient is φ = 283288320.

The previous prime is 630843041. The next prime is 630843079. The reversal of 630843044 is 440348036.

630843044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20160100 + 610682944 = 4490^2 + 24712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 630843044.

It is not an unprimeable number, because it can be changed into a prime (630843041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162017 + ... + 165864.

It is an arithmetic number, because the mean of its divisors is an integer number (50876357).

Almost surely, 2^630843044 is an apocalyptic number.

It is an amenable number.

630843044 is a deficient number, since it is larger than the sum of its proper divisors (590189524).

630843044 is a wasteful number, since it uses less digits than its factorization.

630843044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327935 (or 327933 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 630843044 is about 25116.5890200083. The cubic root of 630843044 is about 857.6441037671.

The spelling of 630843044 in words is "six hundred thirty million, eight hundred forty-three thousand, forty-four".