522720000000 has 1152 divisors, whose sum is σ = 2127475022400. Its totient is φ = 126720000000.

The previous prime is 522719999957. The next prime is 522720000001. The reversal of 522720000000 is 27225.

It is a happy number.

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.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522720000001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47519999995 + ... + 47520000005.

Almost surely, 2^522720000000 is an apocalyptic number.

522720000000 is a gapful number since it is divisible by the number (50) 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 522720000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063737511200).

522720000000 is an abundant number, since it is smaller than the sum of its proper divisors (1604755022400).

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

522720000000 is an frugal number, since it uses more digits than its factorization.

522720000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

Adding to 522720000000 its reverse (27225), we get a palindrome (522720027225).

The spelling of 522720000000 in words is "five hundred twenty-two billion, seven hundred twenty million", and thus it is an aban number.