503240000 has 140 divisors (see below), whose sum is σ = 1304507424. Its totient is φ = 192192000.

The previous prime is 503239991. The next prime is 503240009. The reversal of 503240000 is 42305.

It is an interprime number because it is at equal distance from previous prime (503239991) and next prime (503240009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503240009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 919727 + ... + 920273.

Almost surely, 2^503240000 is an apocalyptic number.

503240000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652253712).

503240000 is an abundant number, since it is smaller than the sum of its proper divisors (801267424).

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

503240000 is an equidigital number, since it uses as much as digits as its factorization.

503240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 503240000 is about 22433.0113894680. The cubic root of 503240000 is about 795.4112293049.

Adding to 503240000 its reverse (42305), we get a palindrome (503282305).

The spelling of 503240000 in words is "five hundred three million, two hundred forty thousand".