252443568016 has 80 divisors (see below), whose sum is σ = 526017672000. Its totient is φ = 116933160960.

The previous prime is 252443568011. The next prime is 252443568029. The reversal of 252443568016 is 610865344252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (252443568011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27313156 + ... + 27322396.

It is an arithmetic number, because the mean of its divisors is an integer number (6575220900).

Almost surely, 2^252443568016 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 252443568016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263008836000).

252443568016 is an abundant number, since it is smaller than the sum of its proper divisors (273574103984).

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

252443568016 is a wasteful number, since it uses less digits than its factorization.

252443568016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10832 (or 10826 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 252443568016 in words is "two hundred fifty-two billion, four hundred forty-three million, five hundred sixty-eight thousand, sixteen".