11144040 has 32 divisors (see below), whose sum is σ = 33432480. Its totient is φ = 2971712.

The previous prime is 11144011. The next prime is 11144041. The reversal of 11144040 is 4044111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11144041) 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, 46314 + ... + 46553.

It is an arithmetic number, because the mean of its divisors is an integer number (1044765).

Almost surely, 2^11144040 is an apocalyptic number.

11144040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11144040 is an abundant number, since it is smaller than the sum of its proper divisors (22288440).

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

11144040 is a wasteful number, since it uses less digits than its factorization.

11144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92881 (or 92877 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 11144040 is about 3338.2690125273. The cubic root of 11144040 is about 223.3645361220.

Adding to 11144040 its reverse (4044111), we get a palindrome (15188151).

The spelling of 11144040 in words is "eleven million, one hundred forty-four thousand, forty".