6118440 has 64 divisors (see below), whose sum is σ = 18653760. Its totient is φ = 1605120.

The previous prime is 6118433. The next prime is 6118481. The reversal of 6118440 is 448116.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6118440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7660 + ... + 8420.

It is an arithmetic number, because the mean of its divisors is an integer number (291465).

Almost surely, 2^6118440 is an apocalyptic number.

6118440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6118440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9326880).

6118440 is an abundant number, since it is smaller than the sum of its proper divisors (12535320).

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

6118440 is a wasteful number, since it uses less digits than its factorization.

6118440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 6118440 is about 2473.5480589631. The cubic root of 6118440 is about 182.8999423160.

The spelling of 6118440 in words is "six million, one hundred eighteen thousand, four hundred forty".