11045240 has 64 divisors (see below), whose sum is σ = 27086400. Its totient is φ = 4036608.

The previous prime is 11045239. The next prime is 11045249. The reversal of 11045240 is 4254011.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24941 + ... + 25379.

It is an arithmetic number, because the mean of its divisors is an integer number (423225).

Almost surely, 2^11045240 is an apocalyptic number.

11045240 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 11045240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13543200).

11045240 is an abundant number, since it is smaller than the sum of its proper divisors (16041160).

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

11045240 is a wasteful number, since it uses less digits than its factorization.

11045240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 11045240 is about 3323.4379789609. The cubic root of 11045240 is about 222.7024794888.

Adding to 11045240 its reverse (4254011), we get a palindrome (15299251).

The spelling of 11045240 in words is "eleven million, forty-five thousand, two hundred forty".