11036640 has 48 divisors (see below), whose sum is σ = 34766928. Its totient is φ = 2942976.

The previous prime is 11036633. The next prime is 11036657. The reversal of 11036640 is 4663011.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11017 + ... + 11976.

It is an arithmetic number, because the mean of its divisors is an integer number (724311).

Almost surely, 2^11036640 is an apocalyptic number.

11036640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11036640 is an abundant number, since it is smaller than the sum of its proper divisors (23730288).

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

11036640 is a wasteful number, since it uses less digits than its factorization.

11036640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23011 (or 23003 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 11036640 is about 3322.1438861073. The cubic root of 11036640 is about 222.6446645803.

Adding to 11036640 its reverse (4663011), we get a palindrome (15699651).

The spelling of 11036640 in words is "eleven million, thirty-six thousand, six hundred forty".