252220975872 has 144 divisors (see below), whose sum is σ = 698394181632. Its totient is φ = 80719994880.

The previous prime is 252220975843. The next prime is 252220975873. The reversal of 252220975872 is 278579022252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (252220975873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2981908 + ... + 3065324.

Almost surely, 2^252220975872 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 252220975872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349197090816).

252220975872 is an abundant number, since it is smaller than the sum of its proper divisors (446173205760).

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

252220975872 is a wasteful number, since it uses less digits than its factorization.

252220975872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83594 (or 83580 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 252220975872 in words is "two hundred fifty-two billion, two hundred twenty million, nine hundred seventy-five thousand, eight hundred seventy-two".