11020407440 has 80 divisors (see below), whose sum is σ = 29296041600. Its totient is φ = 3776716800.

The previous prime is 11020407407. The next prime is 11020407443. The reversal of 11020407440 is 4470402011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (11020407443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2293040 + ... + 2297840.

It is an arithmetic number, because the mean of its divisors is an integer number (366200520).

Almost surely, 2^11020407440 is an apocalyptic number.

11020407440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020407440 is an abundant number, since it is smaller than the sum of its proper divisors (18275634160).

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

11020407440 is a wasteful number, since it uses less digits than its factorization.

11020407440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920 (or 8914 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 11020407440 its reverse (4470402011), we get a palindrome (15490809451).

The spelling of 11020407440 in words is "eleven billion, twenty million, four hundred seven thousand, four hundred forty".