440106804 has 96 divisors (see below), whose sum is σ = 1210496000. Its totient is φ = 137891808.

The previous prime is 440106781. The next prime is 440106809. The reversal of 440106804 is 408601044.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440106809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284457 + ... + 285999.

Almost surely, 2^440106804 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 440106804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605248000).

440106804 is an abundant number, since it is smaller than the sum of its proper divisors (770389196).

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

440106804 is a wasteful number, since it uses less digits than its factorization.

440106804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 440106804 is about 20978.7226493893. The cubic root of 440106804 is about 760.6520281636.

Adding to 440106804 its reverse (408601044), we get a palindrome (848707848).

The spelling of 440106804 in words is "four hundred forty million, one hundred six thousand, eight hundred four".