523870532640 has 2880 divisors, whose sum is σ = 2522805626880. Its totient is φ = 101165137920.

The previous prime is 523870532639. The next prime is 523870532687. The reversal of 523870532640 is 46235078325.

523870532640 is a `hidden beast` number, since 5 + 2 + 3 + 8 + 70 + 532 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 5886185716 + ... + 5886185804.

It is an arithmetic number, because the mean of its divisors is an integer number (875974176).

Almost surely, 2^523870532640 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 523870532640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261402813440).

523870532640 is an abundant number, since it is smaller than the sum of its proper divisors (1998935094240).

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

523870532640 is a wasteful number, since it uses less digits than its factorization.

523870532640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 523870532640 in words is "five hundred twenty-three billion, eight hundred seventy million, five hundred thirty-two thousand, six hundred forty".