11075440 has 40 divisors (see below), whose sum is σ = 25935840. Its totient is φ = 4398336.

The previous prime is 11075431. The next prime is 11075447. The reversal of 11075440 is 4457011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11075447) 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, 12946 + ... + 13774.

It is an arithmetic number, because the mean of its divisors is an integer number (648396).

Almost surely, 2^11075440 is an apocalyptic number.

11075440 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 11075440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12967920).

11075440 is an abundant number, since it is smaller than the sum of its proper divisors (14860400).

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

11075440 is a wasteful number, since it uses less digits than its factorization.

11075440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 11075440 is about 3327.9783653143. The cubic root of 11075440 is about 222.9052665243.

The spelling of 11075440 in words is "eleven million, seventy-five thousand, four hundred forty".