11664240 has 160 divisors (see below), whose sum is σ = 42425856. Its totient is φ = 2595840.

The previous prime is 11664217. The next prime is 11664253. The reversal of 11664240 is 4246611.

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 11664240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88975 + ... + 89105.

Almost surely, 2^11664240 is an apocalyptic number.

11664240 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 11664240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21212928).

11664240 is an abundant number, since it is smaller than the sum of its proper divisors (30761616).

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

11664240 is a wasteful number, since it uses less digits than its factorization.

11664240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 11664240 is about 3415.2950092196. The cubic root of 11664240 is about 226.7873444285.

The spelling of 11664240 in words is "eleven million, six hundred sixty-four thousand, two hundred forty".