6011440 has 40 divisors (see below), whose sum is σ = 14092848. Its totient is φ = 2384640.

The previous prime is 6011417. The next prime is 6011449. The reversal of 6011440 is 441106.

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-2 number, since 2×6011440² = 72274821747200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6011449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12810 + ... + 13270.

Almost surely, 2^6011440 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 6011440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7046424).

6011440 is an abundant number, since it is smaller than the sum of its proper divisors (8081408).

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

6011440 is a wasteful number, since it uses less digits than its factorization.

6011440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 6011440 is about 2451.8238109620. The cubic root of 6011440 is about 181.8274740705.

Adding to 6011440 its reverse (441106), we get a palindrome (6452546).

The spelling of 6011440 in words is "six million, eleven thousand, four hundred forty".