205524266442 has 16 divisors (see below), whose sum is σ = 448416581472. Its totient is φ = 62280080720.

The previous prime is 205524266419. The next prime is 205524266473. The reversal of 205524266442 is 244662425502.

It is a junction number, because it is equal to n+sod(n) for n = 205524266394 and 205524266403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557001953 + ... + 1557002084.

It is an arithmetic number, because the mean of its divisors is an integer number (28026036342).

Almost surely, 2^205524266442 is an apocalyptic number.

205524266442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205524266442 is an abundant number, since it is smaller than the sum of its proper divisors (242892315030).

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

205524266442 is a wasteful number, since it uses less digits than its factorization.

205524266442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114004053.

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 205524266442 in words is "two hundred five billion, five hundred twenty-four million, two hundred sixty-six thousand, four hundred forty-two".