520443104 has 24 divisors (see below), whose sum is σ = 1048453560. Its totient is φ = 254169216.

The previous prime is 520443101. The next prime is 520443107. The reversal of 520443104 is 401344025.

It is an interprime number because it is at equal distance from previous prime (520443101) and next prime (520443107).

It is a super-2 number, since 2×520443104² = 541722049002309632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 520443104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520443101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187739 + ... + 190490.

It is an arithmetic number, because the mean of its divisors is an integer number (43685565).

Almost surely, 2^520443104 is an apocalyptic number.

It is an amenable number.

520443104 is an abundant number, since it is smaller than the sum of its proper divisors (528010456).

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

520443104 is a wasteful number, since it uses less digits than its factorization.

520443104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378282 (or 378274 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 520443104 is about 22813.2221310362. Note that the first 3 decimals coincide. The cubic root of 520443104 is about 804.3734970843.

Adding to 520443104 its reverse (401344025), we get a palindrome (921787129).

The spelling of 520443104 in words is "five hundred twenty million, four hundred forty-three thousand, one hundred four".