11333440 has 56 divisors (see below), whose sum is σ = 27322272. Its totient is φ = 4477440.

The previous prime is 11333437. The next prime is 11333447. The reversal of 11333440 is 4433311.

11333440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34075 + ... + 34405.

Almost surely, 2^11333440 is an apocalyptic number.

11333440 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 11333440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13661136).

11333440 is an abundant number, since it is smaller than the sum of its proper divisors (15988832).

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

11333440 is a wasteful number, since it uses less digits than its factorization.

11333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 11333440 is about 3366.5174884441. The cubic root of 11333440 is about 224.6228413882.

Adding to 11333440 its reverse (4433311), we get a palindrome (15766751).

The spelling of 11333440 in words is "eleven million, three hundred thirty-three thousand, four hundred forty".