524531221044 has 12 divisors (see below), whose sum is σ = 1223906182464. Its totient is φ = 174843740344.

The previous prime is 524531221009. The next prime is 524531221099. The reversal of 524531221044 is 440122135425.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 524531220996 and 524531221014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21855467532 + ... + 21855467555.

It is an arithmetic number, because the mean of its divisors is an integer number (101992181872).

Almost surely, 2^524531221044 is an apocalyptic number.

It is an amenable number.

524531221044 is an abundant number, since it is smaller than the sum of its proper divisors (699374961420).

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

524531221044 is a wasteful number, since it uses less digits than its factorization.

524531221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43710935094 (or 43710935092 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 524531221044 its reverse (440122135425), we get a palindrome (964653356469).

The spelling of 524531221044 in words is "five hundred twenty-four billion, five hundred thirty-one million, two hundred twenty-one thousand, forty-four".