404342244 has 72 divisors (see below), whose sum is σ = 1082040960. Its totient is φ = 127092672.

The previous prime is 404342227. The next prime is 404342251. The reversal of 404342244 is 442243404.

It is a happy number.

404342244 is a `hidden beast` number, since 4 + 0 + 434 + 224 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40389 + ... + 49395.

Almost surely, 2^404342244 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 404342244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541020480).

404342244 is an abundant number, since it is smaller than the sum of its proper divisors (677698716).

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

404342244 is a wasteful number, since it uses less digits than its factorization.

404342244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9089 (or 9084 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 404342244 is about 20108.2630776504. The cubic root of 404342244 is about 739.4628705058.

Adding to 404342244 its reverse (442243404), we get a palindrome (846585648).

The spelling of 404342244 in words is "four hundred four million, three hundred forty-two thousand, two hundred forty-four".