503042920 has 64 divisors (see below), whose sum is σ = 1204949520. Its totient is φ = 188350464.

The previous prime is 503042893. The next prime is 503042929. The reversal of 503042920 is 29240305.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 149377284 + 353665636 = 12222^2 + 18806^2 .

It is not an unprimeable number, because it can be changed into a prime (503042929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129324 + ... + 133156.

Almost surely, 2^503042920 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 503042920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602474760).

503042920 is an abundant number, since it is smaller than the sum of its proper divisors (701906600).

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

503042920 is a wasteful number, since it uses less digits than its factorization.

503042920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054 (or 4050 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 503042920 is about 22428.6183257017. The cubic root of 503042920 is about 795.3073821590.

The spelling of 503042920 in words is "five hundred three million, forty-two thousand, nine hundred twenty".