520418848009 has 8 divisors (see below), whose sum is σ = 534674181888. Its totient is φ = 506296122240.

The previous prime is 520418847979. The next prime is 520418848013. The reversal of 520418848009 is 900848814025.

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

It is not a de Polignac number, because 520418848009 - 2⁷ = 520418847881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520418848409) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33144072 + ... + 33159769.

It is an arithmetic number, because the mean of its divisors is an integer number (66834272736).

Almost surely, 2^520418848009 is an apocalyptic number.

It is an amenable number.

520418848009 is a deficient number, since it is larger than the sum of its proper divisors (14255333879).

520418848009 is a wasteful number, since it uses less digits than its factorization.

520418848009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66304055.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 520418848009 in words is "five hundred twenty billion, four hundred eighteen million, eight hundred forty-eight thousand, nine".