440004408 has 32 divisors (see below), whose sum is σ = 1105781760. Its totient is φ = 145898720.

The previous prime is 440004403. The next prime is 440004427. The reversal of 440004408 is 804400044.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440004403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43410 + ... + 52577.

It is an arithmetic number, because the mean of its divisors is an integer number (34555680).

Almost surely, 2^440004408 is an apocalyptic number.

It is an amenable number.

440004408 is an abundant number, since it is smaller than the sum of its proper divisors (665777352).

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

440004408 is a wasteful number, since it uses less digits than its factorization.

440004408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96187 (or 96183 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 440004408 is about 20976.2820347172. The cubic root of 440004408 is about 760.5930320551.

The spelling of 440004408 in words is "four hundred forty million, four thousand, four hundred eight".