404112420 has 72 divisors (see below), whose sum is σ = 1227460416. Its totient is φ = 107618112.

The previous prime is 404112403. The next prime is 404112431. The reversal of 404112420 is 24211404.

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

It is a junction number, because it is equal to n+sod(n) for n = 404112393 and 404112402.

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, 233679 + ... + 235401.

Almost surely, 2^404112420 is an apocalyptic number.

It is an amenable number.

404112420 is an abundant number, since it is smaller than the sum of its proper divisors (823347996).

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

404112420 is a wasteful number, since it uses less digits than its factorization.

404112420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041 (or 3036 counting only the distinct ones).

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

The square root of 404112420 is about 20102.5475997447. The cubic root of 404112420 is about 739.3227429068.

Adding to 404112420 its reverse (24211404), we get a palindrome (428323824).

It can be divided in two parts, 4041 and 12420, that added together give a palindrome (16461).

The spelling of 404112420 in words is "four hundred four million, one hundred twelve thousand, four hundred twenty".