404228176 has 80 divisors (see below), whose sum is σ = 911191680. Its totient is φ = 171683840.

The previous prime is 404228171. The next prime is 404228267. The reversal of 404228176 is 671822404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404228171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499260 + ... + 500068.

It is an arithmetic number, because the mean of its divisors is an integer number (11389896).

Almost surely, 2^404228176 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 404228176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455595840).

404228176 is an abundant number, since it is smaller than the sum of its proper divisors (506963504).

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

404228176 is a wasteful number, since it uses less digits than its factorization.

404228176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 404228176 is about 20105.4265311632. The cubic root of 404228176 is about 739.3933279463.

It can be divided in two parts, 404228 and 176, that added together give a palindrome (404404).

The spelling of 404228176 in words is "four hundred four million, two hundred twenty-eight thousand, one hundred seventy-six".