500043630 has 32 divisors (see below), whose sum is σ = 1205272224. Its totient is φ = 132770816.

The previous prime is 500043619. The next prime is 500043647. The reversal of 500043630 is 36340005.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 500043597 and 500043606.

It is a congruent number.

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, 28779 + ... + 42758.

It is an arithmetic number, because the mean of its divisors is an integer number (37664757).

Almost surely, 2^500043630 is an apocalyptic number.

500043630 is an abundant number, since it is smaller than the sum of its proper divisors (705228594).

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

500043630 is a wasteful number, since it uses less digits than its factorization.

500043630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71780.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 500043630 is about 22361.6553501748. The cubic root of 500043630 is about 793.7236114153.

Adding to 500043630 its reverse (36340005), we get a palindrome (536383635).

The spelling of 500043630 in words is "five hundred million, forty-three thousand, six hundred thirty".