11042213440 has 56 divisors (see below), whose sum is σ = 26739982080. Its totient is φ = 4342015488.

The previous prime is 11042213411. The next prime is 11042213461. The reversal of 11042213440 is 4431224011.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 273552 + ... + 311311.

It is an arithmetic number, because the mean of its divisors is an integer number (477499680).

Almost surely, 2^11042213440 is an apocalyptic number.

11042213440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11042213440 is an abundant number, since it is smaller than the sum of its proper divisors (15697768640).

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

11042213440 is an equidigital number, since it uses as much as digits as its factorization.

11042213440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584939 (or 584929 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11042213440 its reverse (4431224011), we get a palindrome (15473437451).

The spelling of 11042213440 in words is "eleven billion, forty-two million, two hundred thirteen thousand, four hundred forty".