2104400430 has 48 divisors (see below), whose sum is σ = 5968847664. Its totient is φ = 510157440.

The previous prime is 2104400429. The next prime is 2104400447. The reversal of 2104400430 is 340044012.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061839 + ... + 1063818.

It is an arithmetic number, because the mean of its divisors is an integer number (124350993).

Almost surely, 2^2104400430 is an apocalyptic number.

2104400430 is an abundant number, since it is smaller than the sum of its proper divisors (3864447234).

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

2104400430 is a wasteful number, since it uses less digits than its factorization.

2104400430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125681 (or 2125678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2104400430 is about 45873.7444514834. The cubic root of 2104400430 is about 1281.4730011052.

Adding to 2104400430 its reverse (340044012), we get a palindrome (2444444442).

The spelling of 2104400430 in words is "two billion, one hundred four million, four hundred thousand, four hundred thirty".