11026404 has 72 divisors (see below), whose sum is σ = 30270240. Its totient is φ = 3370752.

The previous prime is 11026397. The next prime is 11026423. The reversal of 11026404 is 40462011.

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

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, 26107 + ... + 26525.

It is an arithmetic number, because the mean of its divisors is an integer number (420420).

Almost surely, 2^11026404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11026404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15135120).

11026404 is an abundant number, since it is smaller than the sum of its proper divisors (19243836).

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

11026404 is a wasteful number, since it uses less digits than its factorization.

11026404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 484 counting only the distinct ones).

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

The square root of 11026404 is about 3320.6029572956. The cubic root of 11026404 is about 222.5758122332.

Adding to 11026404 its reverse (40462011), we get a palindrome (51488415).

The spelling of 11026404 in words is "eleven million, twenty-six thousand, four hundred four".