520523044 has 24 divisors (see below), whose sum is σ = 935682048. Its totient is φ = 253220160.

The previous prime is 520523039. The next prime is 520523057. The reversal of 520523044 is 440325025.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58669 + ... + 66955.

It is an arithmetic number, because the mean of its divisors is an integer number (38986752).

Almost surely, 2^520523044 is an apocalyptic number.

It is an amenable number.

520523044 is a deficient number, since it is larger than the sum of its proper divisors (415159004).

520523044 is a wasteful number, since it uses less digits than its factorization.

520523044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8715 (or 8713 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 520523044 is about 22814.9741178902. The cubic root of 520523044 is about 804.4146788676.

Adding to 520523044 its reverse (440325025), we get a palindrome (960848069).

The spelling of 520523044 in words is "five hundred twenty million, five hundred twenty-three thousand, forty-four".