204044040 has 192 divisors, whose sum is σ = 728956800. Its totient is φ = 49268736.

The previous prime is 204044033. The next prime is 204044089. The reversal of 204044040 is 40440402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156672 + ... + 157968.

It is an arithmetic number, because the mean of its divisors is an integer number (3796650).

Almost surely, 2^204044040 is an apocalyptic number.

204044040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204044040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364478400).

204044040 is an abundant number, since it is smaller than the sum of its proper divisors (524912760).

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

204044040 is a wasteful number, since it uses less digits than its factorization.

204044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 204044040 is about 14284.3984822603. The cubic root of 204044040 is about 588.7188902653.

Adding to 204044040 its reverse (40440402), we get a palindrome (244484442).

The spelling of 204044040 in words is "two hundred four million, forty-four thousand, forty".