252624221344 has 24 divisors (see below), whose sum is σ = 542567930688. Its totient is φ = 114829191360.

The previous prime is 252624221341. The next prime is 252624221441. The reversal of 252624221344 is 443122426252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (252624221341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358840872 + ... + 358841575.

It is an arithmetic number, because the mean of its divisors is an integer number (22606997112).

Almost surely, 2^252624221344 is an apocalyptic number.

It is an amenable number.

252624221344 is an abundant number, since it is smaller than the sum of its proper divisors (289943709344).

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

252624221344 is a wasteful number, since it uses less digits than its factorization.

252624221344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717682468 (or 717682460 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 252624221344 its reverse (443122426252), we get a palindrome (695746647596).

The spelling of 252624221344 in words is "two hundred fifty-two billion, six hundred twenty-four million, two hundred twenty-one thousand, three hundred forty-four".