2104440400 has 30 divisors (see below), whose sum is σ = 5055919022. Its totient is φ = 841776000.

The previous prime is 2104440397. The next prime is 2104440413. The reversal of 2104440400 is 40444012.

It can be written as a sum of positive squares in 3 ways, for example, as 142659136 + 1961781264 = 11944^2 + 44292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2630151 + ... + 2630950.

Almost surely, 2^2104440400 is an apocalyptic number.

2104440400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104440400 is an abundant number, since it is smaller than the sum of its proper divisors (2951478622).

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

2104440400 is a wasteful number, since it uses less digits than its factorization.

2104440400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261119 (or 5261108 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2104440400 is about 45874.1801016650. The cubic root of 2104440400 is about 1281.4811142872.

Adding to 2104440400 its reverse (40444012), we get a palindrome (2144884412).

The spelling of 2104440400 in words is "two billion, one hundred four million, four hundred forty thousand, four hundred".