520444124 has 12 divisors (see below), whose sum is σ = 958713000. Its totient is φ = 246526128.

The previous prime is 520444081. The next prime is 520444139. The reversal of 520444124 is 421444025.

It is a super-2 number, since 2×520444124² = 541724172412254752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520444093 and 520444102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3423899 + ... + 3424050.

It is an arithmetic number, because the mean of its divisors is an integer number (79892750).

Almost surely, 2^520444124 is an apocalyptic number.

It is an amenable number.

520444124 is a deficient number, since it is larger than the sum of its proper divisors (438268876).

520444124 is a wasteful number, since it uses less digits than its factorization.

520444124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847972 (or 6847970 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 520444124 is about 22813.2444864820. The cubic root of 520444124 is about 804.3740225727.

Adding to 520444124 its reverse (421444025), we get a palindrome (941888149).

Subtracting from 520444124 its reverse (421444025), we obtain a palindrome (99000099).

The spelling of 520444124 in words is "five hundred twenty million, four hundred forty-four thousand, one hundred twenty-four".