204444444243 has 64 divisors (see below), whose sum is σ = 316219438080. Its totient is φ = 116374106112.

The previous prime is 204444444241. The next prime is 204444444353. The reversal of 204444444243 is 342444444402.

It is not a de Polignac number, because 204444444243 - 2¹ = 204444444241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (204444444241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9843796 + ... + 9864542.

It is an arithmetic number, because the mean of its divisors is an integer number (4940928720).

Almost surely, 2^204444444243 is an apocalyptic number.

204444444243 is a deficient number, since it is larger than the sum of its proper divisors (111774993837).

204444444243 is a wasteful number, since it uses less digits than its factorization.

204444444243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21036.

The product of its (nonzero) digits is 786432, while the sum is 39.

Adding to 204444444243 its reverse (342444444402), we get a palindrome (546888888645).

The spelling of 204444444243 in words is "two hundred four billion, four hundred forty-four million, four hundred forty-four thousand, two hundred forty-three".