206234354844 has 144 divisors (see below), whose sum is σ = 617926772736. Its totient is φ = 56752617600.

The previous prime is 206234354827. The next prime is 206234354867. The reversal of 206234354844 is 448453432602.

206234354844 is a `hidden beast` number, since 2 + 0 + 6 + 23 + 43 + 548 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 206234354844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1585774 + ... + 1710890.

It is an arithmetic number, because the mean of its divisors is an integer number (4291158144).

Almost surely, 2^206234354844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206234354844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308963386368).

206234354844 is an abundant number, since it is smaller than the sum of its proper divisors (411692417892).

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

206234354844 is a wasteful number, since it uses less digits than its factorization.

206234354844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125376 (or 125371 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 45.

The spelling of 206234354844 in words is "two hundred six billion, two hundred thirty-four million, three hundred fifty-four thousand, eight hundred forty-four".