252231140044 has 48 divisors (see below), whose sum is σ = 479120590368. Its totient is φ = 115494133248.

The previous prime is 252231140023. The next prime is 252231140149. The reversal of 252231140044 is 440041132252.

252231140044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252231139994 and 252231140021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12720682 + ... + 12740494.

It is an arithmetic number, because the mean of its divisors is an integer number (9981678966).

Almost surely, 2^252231140044 is an apocalyptic number.

It is an amenable number.

252231140044 is a deficient number, since it is larger than the sum of its proper divisors (226889450324).

252231140044 is a wasteful number, since it uses less digits than its factorization.

252231140044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21754 (or 21752 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 252231140044 its reverse (440041132252), we get a palindrome (692272272296).

The spelling of 252231140044 in words is "two hundred fifty-two billion, two hundred thirty-one million, one hundred forty thousand, forty-four".