52325322840 has 640 divisors, whose sum is σ = 218455142400. Its totient is φ = 10962293760.

The previous prime is 52325322817. The next prime is 52325322857. The reversal of 52325322840 is 4822352325.

52325322840 is a `hidden beast` number, since 5 + 2 + 325 + 322 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52325322795 and 52325322804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13356562 + ... + 13360478.

It is an arithmetic number, because the mean of its divisors is an integer number (341336160).

Almost surely, 2^52325322840 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 52325322840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109227571200).

52325322840 is an abundant number, since it is smaller than the sum of its proper divisors (166129819560).

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

52325322840 is a wasteful number, since it uses less digits than its factorization.

52325322840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997 (or 3984 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 52325322840 in words is "fifty-two billion, three hundred twenty-five million, three hundred twenty-two thousand, eight hundred forty".