52228323840 has 1440 divisors, whose sum is σ = 226332513792. Its totient is φ = 10218700800.

The previous prime is 52228323839. The next prime is 52228323887. The reversal of 52228323840 is 4832382225.

It is a happy number.

It is a super-2 number, since 2×52228323840² (a number of 22 digits) contains 22 as substring.

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 143 ways as a sum of consecutive naturals, for example, 1411576302 + ... + 1411576338.

Almost surely, 2^52228323840 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 52228323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113166256896).

52228323840 is an abundant number, since it is smaller than the sum of its proper divisors (174104189952).

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

52228323840 is a wasteful number, since it uses less digits than its factorization.

52228323840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 52228323840 in words is "fifty-two billion, two hundred twenty-eight million, three hundred twenty-three thousand, eight hundred forty".