11440660 has 192 divisors, whose sum is σ = 34836480. Its totient is φ = 3041280.

The previous prime is 11440657. The next prime is 11440687. The reversal of 11440660 is 6604411.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 497409 + ... + 497431.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

Almost surely, 2^11440660 is an apocalyptic number.

11440660 is a gapful number since it is divisible by the number (10) 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 11440660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

11440660 is an abundant number, since it is smaller than the sum of its proper divisors (23395820).

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

11440660 is a wasteful number, since it uses less digits than its factorization.

11440660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 11440660 is about 3382.4044701957. The cubic root of 11440660 is about 225.3289673496.

It can be divided in two parts, 11440 and 660, that added together give a square (12100 = 110²).

The spelling of 11440660 in words is "eleven million, four hundred forty thousand, six hundred sixty".