2104400412 has 72 divisors (see below), whose sum is σ = 5534898096. Its totient is φ = 699124608.

The previous prime is 2104400383. The next prime is 2104400429. The reversal of 2104400412 is 2140044012.

2104400412 is a `hidden beast` number, since 210 + 4 + 40 + 0 + 412 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300778 + ... + 307694.

Almost surely, 2^2104400412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104400412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767449048).

2104400412 is an abundant number, since it is smaller than the sum of its proper divisors (3430497684).

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

2104400412 is a wasteful number, since it uses less digits than its factorization.

2104400412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249 (or 7235 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2104400412 is about 45873.7442552927. The cubic root of 2104400412 is about 1281.4729974515.

Adding to 2104400412 its reverse (2140044012), we get a palindrome (4244444424).

The spelling of 2104400412 in words is "two billion, one hundred four million, four hundred thousand, four hundred twelve".