500240 has 60 divisors (see below), whose sum is σ = 1293444. Its totient is φ = 179712.

The previous prime is 500239. The next prime is 500249. The reversal of 500240 is 42005.

It can be written as a sum of positive squares in 6 ways, for example, as 26896 + 473344 = 164^2 + 688^2 .

It is not an unprimeable number, because it can be changed into a prime (500249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13502 + ... + 13538.

2⁵⁰⁰²⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646722).

500240 is an abundant number, since it is smaller than the sum of its proper divisors (793204).

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

500240 is a wasteful number, since it uses less digits than its factorization.

500240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 500240 is about 707.2764664542. The cubic root of 500240 is about 79.3827497755.

Adding to 500240 its reverse (42005), we get a palindrome (542245).

The spelling of 500240 in words is "five hundred thousand, two hundred forty".