52446721080 has 256 divisors, whose sum is σ = 180148147200. Its totient is φ = 12100608000.

The previous prime is 52446721073. The next prime is 52446721109. The reversal of 52446721080 is 8012764425.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6652581 + ... + 6660459.

It is an arithmetic number, because the mean of its divisors is an integer number (703703700).

Almost surely, 2^52446721080 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 52446721080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90074073600).

52446721080 is an abundant number, since it is smaller than the sum of its proper divisors (127701426120).

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

52446721080 is a wasteful number, since it uses less digits than its factorization.

52446721080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174 (or 8170 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 52446721080 in words is "fifty-two billion, four hundred forty-six million, seven hundred twenty-one thousand, eighty".