2104234400 has 72 divisors (see below), whose sum is σ = 5275873260. Its totient is φ = 818933760.

The previous prime is 2104234393. The next prime is 2104234409. The reversal of 2104234400 is 44324012.

It can be written as a sum of positive squares in 6 ways, for example, as 478209424 + 1626024976 = 21868^2 + 40324^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2104234409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5945 + ... + 65144.

Almost surely, 2^2104234400 is an apocalyptic number.

2104234400 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 2104234400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637936630).

2104234400 is an abundant number, since it is smaller than the sum of its proper divisors (3171638860).

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

2104234400 is a wasteful number, since it uses less digits than its factorization.

2104234400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71146 (or 71133 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2104234400 is about 45871.9347749798. The cubic root of 2104234400 is about 1281.4392989391.

Adding to 2104234400 its reverse (44324012), we get a palindrome (2148558412).

The spelling of 2104234400 in words is "two billion, one hundred four million, two hundred thirty-four thousand, four hundred".