655238012 has 36 divisors (see below), whose sum is σ = 1354549896. Its totient is φ = 274921920.

The previous prime is 655237969. The next prime is 655238033. The reversal of 655238012 is 210832556.

655238012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 655238012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36623 + ... + 51494.

It is an arithmetic number, because the mean of its divisors is an integer number (37626386).

Almost surely, 2^655238012 is an apocalyptic number.

It is an amenable number.

655238012 is an abundant number, since it is smaller than the sum of its proper divisors (699311884).

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

655238012 is a wasteful number, since it uses less digits than its factorization.

655238012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88158 (or 88143 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 655238012 is about 25597.6173109921. The cubic root of 655238012 is about 868.5597396991.

The spelling of 655238012 in words is "six hundred fifty-five million, two hundred thirty-eight thousand, twelve".