520063444 has 12 divisors (see below), whose sum is σ = 912489984. Its totient is φ = 259352024.

The previous prime is 520063417. The next prime is 520063451. The reversal of 520063444 is 444360025.

It is a super-2 number, since 2×520063444² = 540931971570282272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 168202 + ... + 171265.

It is an arithmetic number, because the mean of its divisors is an integer number (76040832).

Almost surely, 2^520063444 is an apocalyptic number.

It is an amenable number.

520063444 is a deficient number, since it is larger than the sum of its proper divisors (392426540).

520063444 is a wasteful number, since it uses less digits than its factorization.

520063444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339854 (or 339852 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 520063444 is about 22804.8995612785. The cubic root of 520063444 is about 804.1778543526.

It can be divided in two parts, 5200 and 63444, that added together give a square (68644 = 262²).

The spelling of 520063444 in words is "five hundred twenty million, sixty-three thousand, four hundred forty-four".