252553313240 has 16 divisors (see below), whose sum is σ = 568244954880. Its totient is φ = 101021325280.

The previous prime is 252553313237. The next prime is 252553313321. The reversal of 252553313240 is 42313355252.

It is a self number, because there is not a number n which added to its sum of digits gives 252553313240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3156916376 + ... + 3156916455.

It is an arithmetic number, because the mean of its divisors is an integer number (35515309680).

Almost surely, 2^252553313240 is an apocalyptic number.

252553313240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252553313240 is an abundant number, since it is smaller than the sum of its proper divisors (315691641640).

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

252553313240 is a wasteful number, since it uses less digits than its factorization.

252553313240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313832842 (or 6313832838 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 252553313240 its reverse (42313355252), we get a palindrome (294866668492).

The spelling of 252553313240 in words is "two hundred fifty-two billion, five hundred fifty-three million, three hundred thirteen thousand, two hundred forty".