440040916 has 12 divisors (see below), whose sum is σ = 880081888. Its totient is φ = 188588952.

The previous prime is 440040907. The next prime is 440040919. The reversal of 440040916 is 619040044.

440040916 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 15715747 = 440040916 / (4 + 4 + 0 + 0 + 4 + 0 + 9 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440040919) 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 3 ways as a sum of consecutive naturals, for example, 7857846 + ... + 7857901.

Almost surely, 2^440040916 is an apocalyptic number.

It is an amenable number.

440040916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

440040916 is a wasteful number, since it uses less digits than its factorization.

440040916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715758 (or 15715756 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 440040916 is about 20977.1522376132. The cubic root of 440040916 is about 760.6140674220.

The spelling of 440040916 in words is "four hundred forty million, forty thousand, nine hundred sixteen".