8411440 has 20 divisors (see below), whose sum is σ = 19556784. Its totient is φ = 3364544.

The previous prime is 8411419. The next prime is 8411443. The reversal of 8411440 is 441148.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (8411443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52492 + ... + 52651.

Almost surely, 2^8411440 is an apocalyptic number.

8411440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8411440 is an abundant number, since it is smaller than the sum of its proper divisors (11145344).

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

8411440 is a wasteful number, since it uses less digits than its factorization.

8411440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105156 (or 105150 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 8411440 is about 2900.2482652352. The cubic root of 8411440 is about 203.3715118373.

Adding to 8411440 its reverse (441148), we get a palindrome (8852588).

The spelling of 8411440 in words is "eight million, four hundred eleven thousand, four hundred forty".