500730400 has 36 divisors (see below), whose sum is σ = 1222410042. Its totient is φ = 200291840.

The previous prime is 500730353. The next prime is 500730421. The reversal of 500730400 is 4037005.

It can be written as a sum of positive squares in 3 ways, for example, as 437813776 + 62916624 = 20924^2 + 7932^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312157 + ... + 313756.

Almost surely, 2^500730400 is an apocalyptic number.

500730400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500730400 is an abundant number, since it is smaller than the sum of its proper divisors (721679642).

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

500730400 is a wasteful number, since it uses less digits than its factorization.

500730400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625933 (or 625920 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 500730400 is about 22377.0060553238. The cubic root of 500730400 is about 794.0868171898.

Adding to 500730400 its reverse (4037005), we get a palindrome (504767405).

The spelling of 500730400 in words is "five hundred million, seven hundred thirty thousand, four hundred".