204440440043 has 8 divisors (see below), whose sum is σ = 233649119712. Its totient is φ = 175232486016.

The previous prime is 204440440037. The next prime is 204440440103. The reversal of 204440440043 is 340044044402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204440440043 - 2¹⁴ = 204440423659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204440439988 and 204440440015.

It is not an unprimeable number, because it can be changed into a prime (204440440343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722771 + ... + 965027.

It is an arithmetic number, because the mean of its divisors is an integer number (29206139964).

Almost surely, 2^204440440043 is an apocalyptic number.

204440440043 is a deficient number, since it is larger than the sum of its proper divisors (29208679669).

204440440043 is a wasteful number, since it uses less digits than its factorization.

204440440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362821.

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 204440440043 its reverse (340044044402), we get a palindrome (544484484445).

The spelling of 204440440043 in words is "two hundred four billion, four hundred forty million, four hundred forty thousand, forty-three".