204440303144 has 128 divisors (see below), whose sum is σ = 481624012800. Its totient is φ = 79035229440.

The previous prime is 204440303129. The next prime is 204440303161. The reversal of 204440303144 is 441303044402.

It is a happy number.

It is a super-2 number, since 2×204440303144² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72934847 + ... + 72937649.

It is an arithmetic number, because the mean of its divisors is an integer number (3762687600).

Almost surely, 2^204440303144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204440303144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240812006400).

204440303144 is an abundant number, since it is smaller than the sum of its proper divisors (277183709656).

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

204440303144 is a wasteful number, since it uses less digits than its factorization.

204440303144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 204440303144 its reverse (441303044402), we get a palindrome (645743347546).

The spelling of 204440303144 in words is "two hundred four billion, four hundred forty million, three hundred three thousand, one hundred forty-four".