11330640 has 60 divisors (see below), whose sum is σ = 38054484. Its totient is φ = 3021312.

The previous prime is 11330639. The next prime is 11330681. The reversal of 11330640 is 4603311.

It can be written as a sum of positive squares in 2 ways, for example, as 7551504 + 3779136 = 2748^2 + 1944^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7149 + ... + 8588.

Almost surely, 2^11330640 is an apocalyptic number.

11330640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11330640 is an abundant number, since it is smaller than the sum of its proper divisors (26723844).

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

11330640 is a wasteful number, since it uses less digits than its factorization.

11330640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15756 (or 15747 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 11330640 is about 3366.1016027446. The cubic root of 11330640 is about 224.6043416871.

Adding to 11330640 its reverse (4603311), we get a palindrome (15933951).

The spelling of 11330640 in words is "eleven million, three hundred thirty thousand, six hundred forty".