522356470272 has 1050 divisors, whose sum is σ = 1971991311543. Its totient is φ = 137764343808.

The previous prime is 522356470231. The next prime is 522356470283. The reversal of 522356470272 is 272074653225.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

522356470272 is a `hidden beast` number, since 5 + 22 + 356 + 4 + 7 + 0 + 272 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 9144576 + 522347325696 = 3024^2 + 722736^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=511056.

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 40181266938 + ... + 40181266950.

Almost surely, 2^522356470272 is an apocalyptic number.

522356470272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522356470272

522356470272 is an abundant number, since it is smaller than the sum of its proper divisors (1449634841271).

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

522356470272 is an frugal number, since it uses more digits than its factorization.

522356470272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 522356470272 in words is "five hundred twenty-two billion, three hundred fifty-six million, four hundred seventy thousand, two hundred seventy-two".