440800844 has 12 divisors (see below), whose sum is σ = 841528968. Its totient is φ = 200364000.

The previous prime is 440800813. The next prime is 440800847. The reversal of 440800844 is 448008044.

It is a happy number.

It is a super-2 number, since 2×440800844² = 388610768142224672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440800844.

It is not an unprimeable number, because it can be changed into a prime (440800847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009057 + ... + 5009144.

It is an arithmetic number, because the mean of its divisors is an integer number (70127414).

Almost surely, 2^440800844 is an apocalyptic number.

440800844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440800844 is a deficient number, since it is larger than the sum of its proper divisors (400728124).

440800844 is a wasteful number, since it uses less digits than its factorization.

440800844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10018216 (or 10018214 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 440800844 is about 20995.2576550039. The cubic root of 440800844 is about 761.0516627247.

Adding to 440800844 its reverse (448008044), we get a palindrome (888808888).

The spelling of 440800844 in words is "four hundred forty million, eight hundred thousand, eight hundred forty-four".