6141440 has 40 divisors (see below), whose sum is σ = 14731200. Its totient is φ = 2455552.

The previous prime is 6141439. The next prime is 6141449. The reversal of 6141440 is 441416.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×6141440³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6141449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (368280).

Almost surely, 2^6141440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6141440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7365600).

6141440 is an abundant number, since it is smaller than the sum of its proper divisors (8589760).

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

6141440 is an equidigital number, since it uses as much as digits as its factorization.

6141440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2406 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 6141440 is about 2478.1928899906. The cubic root of 6141440 is about 183.1288371804.

Adding to 6141440 its reverse (441416), we get a palindrome (6582856).

The spelling of 6141440 in words is "six million, one hundred forty-one thousand, four hundred forty".