206449402884 has 24 divisors (see below), whose sum is σ = 481816798848. Its totient is φ = 68801964000.

The previous prime is 206449402847. The next prime is 206449402897. The reversal of 206449402884 is 488204944602.

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, 1753567 + ... + 1867590.

It is an arithmetic number, because the mean of its divisors is an integer number (20075699952).

Almost surely, 2^206449402884 is an apocalyptic number.

It is an amenable number.

206449402884 is an abundant number, since it is smaller than the sum of its proper divisors (275367395964).

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

206449402884 is a wasteful number, since it uses less digits than its factorization.

206449402884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625915 (or 3625913 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 206449402884 in words is "two hundred six billion, four hundred forty-nine million, four hundred two thousand, eight hundred eighty-four".