11004040420 has 24 divisors (see below), whose sum is σ = 24113202624. Its totient is φ = 4210241376.

The previous prime is 11004040409. The next prime is 11004040433. The reversal of 11004040420 is 2404040011.

11004040420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11004040394 and 11004040403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11960454 + ... + 11961373.

It is an arithmetic number, because the mean of its divisors is an integer number (1004716776).

Almost surely, 2^11004040420 is an apocalyptic number.

11004040420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11004040420 is an abundant number, since it is smaller than the sum of its proper divisors (13109162204).

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

11004040420 is a wasteful number, since it uses less digits than its factorization.

11004040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23921859 (or 23921857 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11004040420 its reverse (2404040011), we get a palindrome (13408080431).

The spelling of 11004040420 in words is "eleven billion, four million, forty thousand, four hundred twenty".