205996597444 has 12 divisors (see below), whose sum is σ = 393266231568. Its totient is φ = 93634817000.

The previous prime is 205996597441. The next prime is 205996597451. The reversal of 205996597444 is 444795699502.

It is not an unprimeable number, because it can be changed into a prime (205996597441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340870382 + ... + 2340870469.

It is an arithmetic number, because the mean of its divisors is an integer number (32772185964).

Almost surely, 2^205996597444 is an apocalyptic number.

It is an amenable number.

205996597444 is a deficient number, since it is larger than the sum of its proper divisors (187269634124).

205996597444 is a wasteful number, since it uses less digits than its factorization.

205996597444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681740866 (or 4681740864 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 64.

The spelling of 205996597444 in words is "two hundred five billion, nine hundred ninety-six million, five hundred ninety-seven thousand, four hundred forty-four".