520344423152000 has 128 divisors (see below), whose sum is σ = 1305155055110400. Its totient is φ = 206295841382400.

The previous prime is 520344423151997. The next prime is 520344423152063. The reversal of 520344423152000 is 251324443025.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142092560 + ... + 145708559.

It is an arithmetic number, because the mean of its divisors is an integer number (10196523868050).

Almost surely, 2^{520344423152000} is an apocalyptic number.

520344423152000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

520344423152000 is an abundant number, since it is smaller than the sum of its proper divisors (784810631958400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520344423152000 is a wasteful number, since it uses less digits than its factorization.

520344423152000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287801261 (or 287801239 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 520344423152000 its reverse (251324443025), we get a palindrome (520595747595025).

The spelling of 520344423152000 in words is "five hundred twenty trillion, three hundred forty-four billion, four hundred twenty-three million, one hundred fifty-two thousand".