405223104 has 112 divisors (see below), whose sum is σ = 1259677440. Its totient is φ = 113341440.

The previous prime is 405223081. The next prime is 405223139. The reversal of 405223104 is 401322504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20077 + ... + 34835.

It is an arithmetic number, because the mean of its divisors is an integer number (11247120).

Almost surely, 2^405223104 is an apocalyptic number.

405223104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 405223104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629838720).

405223104 is an abundant number, since it is smaller than the sum of its proper divisors (854454336).

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

405223104 is a wasteful number, since it uses less digits than its factorization.

405223104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14798 (or 14788 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 405223104 is about 20130.1540977708. The cubic root of 405223104 is about 739.9994545893. Note that the first 3 decimals are identical.

Adding to 405223104 its reverse (401322504), we get a palindrome (806545608).

The spelling of 405223104 in words is "four hundred five million, two hundred twenty-three thousand, one hundred four".