404420004200 has 48 divisors (see below), whose sum is σ = 940926994080. Its totient is φ = 161656090560.

The previous prime is 404420004173. The next prime is 404420004203. The reversal of 404420004200 is 2400024404.

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 (404420004203) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 409322 + ... + 988121.

It is an arithmetic number, because the mean of its divisors is an integer number (19602645710).

Almost surely, 2^404420004200 is an apocalyptic number.

404420004200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404420004200 is an abundant number, since it is smaller than the sum of its proper divisors (536506989880).

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

404420004200 is a wasteful number, since it uses less digits than its factorization.

404420004200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398906 (or 1398897 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 404420004200 its reverse (2400024404), we get a palindrome (406820028604).

The spelling of 404420004200 in words is "four hundred four billion, four hundred twenty million, four thousand, two hundred".