11040642 has 48 divisors (see below), whose sum is σ = 24867648. Its totient is φ = 3538080.

The previous prime is 11040587. The next prime is 11040647. The reversal of 11040642 is 24604011.

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

It is not an unprimeable number, because it can be changed into a prime (11040647) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 67653 + ... + 67815.

It is an arithmetic number, because the mean of its divisors is an integer number (518076).

Almost surely, 2^11040642 is an apocalyptic number.

11040642 is an abundant number, since it is smaller than the sum of its proper divisors (13827006).

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

11040642 is a wasteful number, since it uses less digits than its factorization.

11040642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 11040642 is about 3322.7461534099. The cubic root of 11040642 is about 222.6715724155.

Adding to 11040642 its reverse (24604011), we get a palindrome (35644653).

The spelling of 11040642 in words is "eleven million, forty thousand, six hundred forty-two".