52318894680 has 640 divisors, whose sum is σ = 207072391680. Its totient is φ = 11724963840.

The previous prime is 52318894669. The next prime is 52318894687. The reversal of 52318894680 is 8649881325.

It is a super-3 number, since 3×52318894680³ (a number of 33 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52318894687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 22196062 + ... + 22198418.

It is an arithmetic number, because the mean of its divisors is an integer number (323550612).

Almost surely, 2^52318894680 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 52318894680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103536195840).

52318894680 is an abundant number, since it is smaller than the sum of its proper divisors (154753497000).

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

52318894680 is a wasteful number, since it uses less digits than its factorization.

52318894680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 52318894680 in words is "fifty-two billion, three hundred eighteen million, eight hundred ninety-four thousand, six hundred eighty".