11322440 has 64 divisors (see below), whose sum is σ = 27509760. Its totient is φ = 4181760.

The previous prime is 11322439. The next prime is 11322473. The reversal of 11322440 is 4422311.

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, 28322 + ... + 28718.

It is an arithmetic number, because the mean of its divisors is an integer number (429840).

Almost surely, 2^11322440 is an apocalyptic number.

11322440 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 11322440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13754880).

11322440 is an abundant number, since it is smaller than the sum of its proper divisors (16187320).

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

11322440 is a wasteful number, since it uses less digits than its factorization.

11322440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 11322440 is about 3364.8833560764. The cubic root of 11322440 is about 224.5501464526.

Adding to 11322440 its reverse (4422311), we get a palindrome (15744751).

The spelling of 11322440 in words is "eleven million, three hundred twenty-two thousand, four hundred forty".