11324424440 has 128 divisors (see below), whose sum is σ = 30520488960. Its totient is φ = 3697419264.

The previous prime is 11324424437. The next prime is 11324424469. The reversal of 11324424440 is 4442442311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496747 + ... + 1504293.

It is an arithmetic number, because the mean of its divisors is an integer number (238441320).

Almost surely, 2^11324424440 is an apocalyptic number.

11324424440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11324424440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15260244480).

11324424440 is an abundant number, since it is smaller than the sum of its proper divisors (19196064520).

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

11324424440 is a wasteful number, since it uses less digits than its factorization.

11324424440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821 (or 7817 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 11324424440 its reverse (4442442311), we get a palindrome (15766866751).

The spelling of 11324424440 in words is "eleven billion, three hundred twenty-four million, four hundred twenty-four thousand, four hundred forty".