2104000000 has 140 divisors (see below), whose sum is σ = 5274776232. Its totient is φ = 838400000.

The previous prime is 2103999973. The next prime is 2104000009. The reversal of 2104000000 is 4012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104000009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7999869 + ... + 8000131.

Almost surely, 2^2104000000 is an apocalyptic number.

2104000000 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 2104000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637388116).

2104000000 is an abundant number, since it is smaller than the sum of its proper divisors (3170776232).

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

2104000000 is an frugal number, since it uses more digits than its factorization.

2104000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2104000000 is about 45869.3797647189. The cubic root of 2104000000 is about 1281.3917154371.

Adding to 2104000000 its reverse (4012), we get a palindrome (2104004012).

The spelling of 2104000000 in words is "two billion, one hundred four million", and thus it is an aban number.