206555406044 has 48 divisors (see below), whose sum is σ = 406308564480. Its totient is φ = 91164553920.

The previous prime is 206555405993. The next prime is 206555406077. The reversal of 206555406044 is 440604555602.

206555406044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 206555405992 and 206555406010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5039867 + ... + 5080685.

It is an arithmetic number, because the mean of its divisors is an integer number (8464761760).

Almost surely, 2^206555406044 is an apocalyptic number.

It is an amenable number.

206555406044 is a deficient number, since it is larger than the sum of its proper divisors (199753158436).

206555406044 is a wasteful number, since it uses less digits than its factorization.

206555406044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45090 (or 45088 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 206555406044 in words is "two hundred six billion, five hundred fifty-five million, four hundred six thousand, forty-four".