11336640 has 168 divisors, whose sum is σ = 42044112. Its totient is φ = 2580480.

The previous prime is 11336639. The next prime is 11336657. The reversal of 11336640 is 4663311.

It is a tau number, because it is divible by the number of its divisors (168).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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 11336640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46920 + ... + 47160.

Almost surely, 2^11336640 is an apocalyptic number.

11336640 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 11336640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21022056).

11336640 is an abundant number, since it is smaller than the sum of its proper divisors (30707472).

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

11336640 is a wasteful number, since it uses less digits than its factorization.

11336640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 11336640 is about 3366.9927234849. The cubic root of 11336640 is about 224.6439801731.

Adding to 11336640 its reverse (4663311), we get a palindrome (15999951).

The spelling of 11336640 in words is "eleven million, three hundred thirty-six thousand, six hundred forty".