522728508288 has 384 divisors, whose sum is σ = 1702416752640. Its totient is φ = 139155148800.

The previous prime is 522728508229. The next prime is 522728508301. The reversal of 522728508288 is 882805827225.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59188033 + ... + 59196863.

It is an arithmetic number, because the mean of its divisors is an integer number (4433376960).

Almost surely, 2^522728508288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522728508288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851208376320).

522728508288 is an abundant number, since it is smaller than the sum of its proper divisors (1179688244352).

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

522728508288 is a wasteful number, since it uses less digits than its factorization.

522728508288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954 (or 8923 counting only the distinct ones).

The product of its (nonzero) digits is 11468800, while the sum is 57.

The spelling of 522728508288 in words is "five hundred twenty-two billion, seven hundred twenty-eight million, five hundred eight thousand, two hundred eighty-eight".