404311230 has 96 divisors (see below), whose sum is σ = 1097025120. Its totient is φ = 105960960.

The previous prime is 404311217. The next prime is 404311307. The reversal of 404311230 is 32113404.

404311230 is a `hidden beast` number, since 4 + 0 + 431 + 1 + 230 = 666.

It is a super-2 number, since 2×404311230² = 326935141408225800, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1438690 + ... + 1438970.

It is an arithmetic number, because the mean of its divisors is an integer number (11427345).

Almost surely, 2^404311230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404311230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548512560).

404311230 is an abundant number, since it is smaller than the sum of its proper divisors (692713890).

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

404311230 is a wasteful number, since it uses less digits than its factorization.

404311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 404311230 is about 20107.4918873538. The cubic root of 404311230 is about 739.4439638427.

Adding to 404311230 its reverse (32113404), we get a palindrome (436424634).

The spelling of 404311230 in words is "four hundred four million, three hundred eleven thousand, two hundred thirty".