6040440 has 256 divisors, whose sum is σ = 24883200. Its totient is φ = 1271808.

The previous prime is 6040429. The next prime is 6040451. The reversal of 6040440 is 440406.

6040440 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6040429) and next prime (6040451).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128497 + ... + 128543.

It is an arithmetic number, because the mean of its divisors is an integer number (97200).

Almost surely, 2^6040440 is an apocalyptic number.

6040440 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 6040440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12441600).

6040440 is an abundant number, since it is smaller than the sum of its proper divisors (18842760).

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

6040440 is a wasteful number, since it uses less digits than its factorization.

6040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 6040440 is about 2457.7306605892. The cubic root of 6040440 is about 182.1193919351.

Adding to 6040440 its reverse (440406), we get a palindrome (6480846).

The spelling of 6040440 in words is "six million, forty thousand, four hundred forty".