210486068227044 has 81 divisors (see below), whose sum is σ = 533061760382697. Its totient is φ = 70030433930688.

The previous prime is 210486068227031. The next prime is 210486068227049. The reversal of 210486068227044 is 440722860684012.

It is a happy number.

The square root of 210486068227044 is 14508138.

It is a perfect power (a square), and thus also a powerful number.

210486068227044 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 8 + 606 + 8 + 2 + 27 + 0 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6095812860900 + 204390255366144 = 2468970^2 + 14296512^2 .

It is not an unprimeable number, because it can be changed into a prime (210486068227049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 53709124917 + ... + 53709128835.

Almost surely, 2^{210486068227044} is an apocalyptic number.

210486068227044 is the 14508138-th square number.

It is an amenable number.

210486068227044 is an abundant number, since it is smaller than the sum of its proper divisors (322575692155653).

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

210486068227044 is an frugal number, since it uses more digits than its factorization.

210486068227044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082 (or 4541 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 210486068227044 in words is "two hundred ten trillion, four hundred eighty-six billion, sixty-eight million, two hundred twenty-seven thousand, forty-four".