572523668640 has 1728 divisors, whose sum is σ = 2623274035200. Its totient is φ = 114549811200.

The previous prime is 572523668627. The next prime is 572523668669. The reversal of 572523668640 is 46866325275.

572523668640 is a `hidden beast` number, since 5 + 72 + 523 + 6 + 6 + 8 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 2877003261 + ... + 2877003459.

It is an arithmetic number, because the mean of its divisors is an integer number (1518098400).

Almost surely, 2^572523668640 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 572523668640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311637017600).

572523668640 is an abundant number, since it is smaller than the sum of its proper divisors (2050750366560).

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

572523668640 is a wasteful number, since it uses less digits than its factorization.

572523668640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 572523668640 in words is "five hundred seventy-two billion, five hundred twenty-three million, six hundred sixty-eight thousand, six hundred forty".