11099440 has 40 divisors (see below), whose sum is σ = 28154448. Its totient is φ = 4035840.

The previous prime is 11099411. The next prime is 11099443. The reversal of 11099440 is 4499011.

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

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11099399 and 11099408.

It is not an unprimeable number, because it can be changed into a prime (11099443) 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, 5427 + ... + 7186.

Almost surely, 2^11099440 is an apocalyptic number.

11099440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11099440 is an abundant number, since it is smaller than the sum of its proper divisors (17055008).

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

11099440 is a wasteful number, since it uses less digits than its factorization.

11099440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12637 (or 12631 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11099440 is about 3331.5822067000. The cubic root of 11099440 is about 223.0661590587.

The spelling of 11099440 in words is "eleven million, ninety-nine thousand, four hundred forty".