11349440 has 56 divisors (see below), whose sum is σ = 27980640. Its totient is φ = 4379648.

The previous prime is 11349433. The next prime is 11349449. The reversal of 11349440 is 4494311.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11349449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8669 + ... + 9891.

Almost surely, 2^11349440 is an apocalyptic number.

11349440 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 11349440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13990320).

11349440 is an abundant number, since it is smaller than the sum of its proper divisors (16631200).

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

11349440 is a wasteful number, since it uses less digits than its factorization.

11349440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 11349440 is about 3368.8929932546. The cubic root of 11349440 is about 224.7284955563.

The spelling of 11349440 in words is "eleven million, three hundred forty-nine thousand, four hundred forty".