252535236872 has 16 divisors (see below), whose sum is σ = 479497286400. Its totient is φ = 124669293840.

The previous prime is 252535236871. The next prime is 252535236887. The reversal of 252535236872 is 278632535252.

It is a self number, because there is not a number n which added to its sum of digits gives 252535236872.

It is not an unprimeable number, because it can be changed into a prime (252535236871) 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 3 ways as a sum of consecutive naturals, for example, 199789904 + ... + 199791167.

It is an arithmetic number, because the mean of its divisors is an integer number (29968580400).

Almost surely, 2^252535236872 is an apocalyptic number.

It is an amenable number.

252535236872 is a deficient number, since it is larger than the sum of its proper divisors (226962049528).

252535236872 is a wasteful number, since it uses less digits than its factorization.

252535236872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399581156 (or 399581152 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 50.

The spelling of 252535236872 in words is "two hundred fifty-two billion, five hundred thirty-five million, two hundred thirty-six thousand, eight hundred seventy-two".