11320234440 has 64 divisors (see below), whose sum is σ = 34185663360. Its totient is φ = 2998732800.

The previous prime is 11320234427. The next prime is 11320234451. The reversal of 11320234440 is 4443202311.

It is a super-2 number, since 2×11320234440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11320234440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294249 + ... + 330488.

It is an arithmetic number, because the mean of its divisors is an integer number (534150990).

Almost surely, 2^11320234440 is an apocalyptic number.

11320234440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320234440 is an abundant number, since it is smaller than the sum of its proper divisors (22865428920).

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

11320234440 is a wasteful number, since it uses less digits than its factorization.

11320234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624902 (or 624898 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11320234440 its reverse (4443202311), we get a palindrome (15763436751).

The spelling of 11320234440 in words is "eleven billion, three hundred twenty million, two hundred thirty-four thousand, four hundred forty".