520064285806 has 8 divisors (see below), whose sum is σ = 840103846344. Its totient is φ = 240029670360.

The previous prime is 520064285803. The next prime is 520064285831. The reversal of 520064285806 is 608582460025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×520064285806² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520064285803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10001236240 + ... + 10001236291.

It is an arithmetic number, because the mean of its divisors is an integer number (105012980793).

Almost surely, 2^520064285806 is an apocalyptic number.

520064285806 is a deficient number, since it is larger than the sum of its proper divisors (320039560538).

520064285806 is a wasteful number, since it uses less digits than its factorization.

520064285806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20002472546.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 520064285806 in words is "five hundred twenty billion, sixty-four million, two hundred eighty-five thousand, eight hundred six".