440043804 has 18 divisors (see below), whose sum is σ = 1112333040. Its totient is φ = 146681256.

The previous prime is 440043763. The next prime is 440043817. The reversal of 440043804 is 408340044.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 6111684 + ... + 6111755.

It is an arithmetic number, because the mean of its divisors is an integer number (61796280).

Almost surely, 2^440043804 is an apocalyptic number.

It is an amenable number.

440043804 is an abundant number, since it is smaller than the sum of its proper divisors (672289236).

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

440043804 is a wasteful number, since it uses less digits than its factorization.

440043804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223449 (or 12223444 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 440043804 is about 20977.2210742987. The cubic root of 440043804 is about 760.6157313950.

Adding to 440043804 its reverse (408340044), we get a palindrome (848383848).

The spelling of 440043804 in words is "four hundred forty million, forty-three thousand, eight hundred four".