252255351644 has 6 divisors (see below), whose sum is σ = 441446865384. Its totient is φ = 126127675820.

The previous prime is 252255351637. The next prime is 252255351703. The reversal of 252255351644 is 446153552252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 252255351595 and 252255351604.

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 as a sum of consecutive naturals, namely, 31531918952 + ... + 31531918959.

It is an arithmetic number, because the mean of its divisors is an integer number (73574477564).

Almost surely, 2^252255351644 is an apocalyptic number.

It is an amenable number.

252255351644 is a deficient number, since it is larger than the sum of its proper divisors (189191513740).

252255351644 is a wasteful number, since it uses less digits than its factorization.

252255351644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63063837915 (or 63063837913 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 44.

The spelling of 252255351644 in words is "two hundred fifty-two billion, two hundred fifty-five million, three hundred fifty-one thousand, six hundred forty-four".