52228385280 has 800 divisors, whose sum is σ = 200207614464. Its totient is φ = 12982616064.

The previous prime is 52228385267. The next prime is 52228385311. The reversal of 52228385280 is 8258382225.

52228385280 is a `hidden beast` number, since 522 + 28 + 3 + 85 + 28 + 0 = 666.

It is a super-2 number, since 2×52228385280² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 224156044 + ... + 224156276.

Almost surely, 2^52228385280 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 52228385280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100103807232).

52228385280 is an abundant number, since it is smaller than the sum of its proper divisors (147979229184).

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

52228385280 is a wasteful number, since it uses less digits than its factorization.

52228385280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 52228385280 in words is "fifty-two billion, two hundred twenty-eight million, three hundred eighty-five thousand, two hundred eighty".