5444809866 has 24 divisors (see below), whose sum is σ = 11881964640. Its totient is φ = 1801878696.

The previous prime is 5444809847. The next prime is 5444809897. The reversal of 5444809866 is 6689084445.

5444809866 is a `hidden beast` number, since 54 + 448 + 0 + 98 + 66 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085590 + ... + 1090593.

It is an arithmetic number, because the mean of its divisors is an integer number (495081860).

Almost surely, 2^5444809866 is an apocalyptic number.

5444809866 is an abundant number, since it is smaller than the sum of its proper divisors (6437154774).

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

5444809866 is a wasteful number, since it uses less digits than its factorization.

5444809866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176330 (or 2176327 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The square root of 5444809866 is about 73788.9549051889. The cubic root of 5444809866 is about 1759.2500534656.

The spelling of 5444809866 in words is "five billion, four hundred forty-four million, eight hundred nine thousand, eight hundred sixty-six".