252266313544 has 16 divisors (see below), whose sum is σ = 540570672000. Its totient is φ = 108114134352.

The previous prime is 252266313517. The next prime is 252266313569. The reversal of 252266313544 is 445313662252.

It is a self number, because there is not a number n which added to its sum of digits gives 252266313544.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252377744 + ... + 2252377855.

It is an arithmetic number, because the mean of its divisors is an integer number (33785667000).

Almost surely, 2^252266313544 is an apocalyptic number.

It is an amenable number.

252266313544 is an abundant number, since it is smaller than the sum of its proper divisors (288304358456).

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

252266313544 is a wasteful number, since it uses less digits than its factorization.

252266313544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504755612 (or 4504755608 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 43.

Adding to 252266313544 its reverse (445313662252), we get a palindrome (697579975796).

The spelling of 252266313544 in words is "two hundred fifty-two billion, two hundred sixty-six million, three hundred thirteen thousand, five hundred forty-four".