504040303 has 24 divisors (see below), whose sum is σ = 582086400. Its totient is φ = 434981664.

The previous prime is 504040301. The next prime is 504040319. The reversal of 504040303 is 303040405.

It is not a de Polignac number, because 504040303 - 2¹ = 504040301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504040301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252676 + ... + 254662.

It is an arithmetic number, because the mean of its divisors is an integer number (24253600).

Almost surely, 2^504040303 is an apocalyptic number.

504040303 is a deficient number, since it is larger than the sum of its proper divisors (78046097).

504040303 is a wasteful number, since it uses less digits than its factorization.

504040303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111 (or 2098 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 504040303 is about 22450.8419218523. The cubic root of 504040303 is about 795.8326537047.

Adding to 504040303 its reverse (303040405), we get a palindrome (807080708).

The spelling of 504040303 in words is "five hundred four million, forty thousand, three hundred three".