2044204400 has 180 divisors, whose sum is σ = 5732280432. Its totient is φ = 686223360.

The previous prime is 2044204289. The next prime is 2044204411. The reversal of 2044204400 is 44024402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14921132 + ... + 14921268.

Almost surely, 2^2044204400 is an apocalyptic number.

2044204400 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 2044204400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2866140216).

2044204400 is an abundant number, since it is smaller than the sum of its proper divisors (3688076032).

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

2044204400 is a wasteful number, since it uses less digits than its factorization.

2044204400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2044204400 is about 45212.8786962299. The cubic root of 2044204400 is about 1269.1358330536.

Adding to 2044204400 its reverse (44024402), we get a palindrome (2088228802).

It can be divided in two parts, 2044 and 204400, that multiplied together give a square (417793600 = 20440²).

The spelling of 2044204400 in words is "two billion, forty-four million, two hundred four thousand, four hundred".