11339440 has 40 divisors (see below), whose sum is σ = 30132000. Its totient is φ = 3887616.

The previous prime is 11339431. The next prime is 11339441. The reversal of 11339440 is 4493311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (11339441) 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, 9565 + ... + 10684.

It is an arithmetic number, because the mean of its divisors is an integer number (753300).

Almost surely, 2^11339440 is an apocalyptic number.

11339440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11339440 is an abundant number, since it is smaller than the sum of its proper divisors (18792560).

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

11339440 is a wasteful number, since it uses less digits than its factorization.

11339440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20269 (or 20263 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 11339440 is about 3367.4084991281. The cubic root of 11339440 is about 224.6624733471.

The spelling of 11339440 in words is "eleven million, three hundred thirty-nine thousand, four hundred forty".