204400544246 has 8 divisors (see below), whose sum is σ = 306621539400. Its totient is φ = 102193364448.

The previous prime is 204400544213. The next prime is 204400544251. The reversal of 204400544246 is 642445004402.

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

It is a super-2 number, since 2×204400544246² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3416771 + ... + 3476078.

It is an arithmetic number, because the mean of its divisors is an integer number (38327692425).

Almost surely, 2^204400544246 is an apocalyptic number.

204400544246 is a deficient number, since it is larger than the sum of its proper divisors (102220995154).

204400544246 is a wasteful number, since it uses less digits than its factorization.

204400544246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6907678.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 204400544246 its reverse (642445004402), we get a palindrome (846845548648).

The spelling of 204400544246 in words is "two hundred four billion, four hundred million, five hundred forty-four thousand, two hundred forty-six".