218036025852 has 24 divisors (see below), whose sum is σ = 535527081600. Its totient is φ = 68853481776.

The previous prime is 218036025847. The next prime is 218036025913. The reversal of 218036025852 is 258520630812.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478148952 + ... + 478149407.

It is an arithmetic number, because the mean of its divisors is an integer number (22313628400).

Almost surely, 2^218036025852 is an apocalyptic number.

It is an amenable number.

218036025852 is an abundant number, since it is smaller than the sum of its proper divisors (317491055748).

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

218036025852 is a wasteful number, since it uses less digits than its factorization.

218036025852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956298385 (or 956298383 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 218036025852 in words is "two hundred eighteen billion, thirty-six million, twenty-five thousand, eight hundred fifty-two".