520152525444 has 96 divisors (see below), whose sum is σ = 1262719180800. Its totient is φ = 166471718400.

The previous prime is 520152525407. The next prime is 520152525461. The reversal of 520152525444 is 444525251025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36313804 + ... + 36328124.

It is an arithmetic number, because the mean of its divisors is an integer number (13153324800).

Almost surely, 2^520152525444 is an apocalyptic number.

It is an amenable number.

520152525444 is an abundant number, since it is smaller than the sum of its proper divisors (742566655356).

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

520152525444 is a wasteful number, since it uses less digits than its factorization.

520152525444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121 (or 15119 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 39.

Adding to 520152525444 its reverse (444525251025), we get a palindrome (964677776469).

The spelling of 520152525444 in words is "five hundred twenty billion, one hundred fifty-two million, five hundred twenty-five thousand, four hundred forty-four".