11012440 has 64 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 4172160.

The previous prime is 11012437. The next prime is 11012453. The reversal of 11012440 is 4421011.

It is a self number, because there is not a number n which added to its sum of digits gives 11012440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102867 + ... + 102973.

It is an arithmetic number, because the mean of its divisors is an integer number (408240).

Almost surely, 2^11012440 is an apocalyptic number.

11012440 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 11012440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13063680).

11012440 is an abundant number, since it is smaller than the sum of its proper divisors (15114920).

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

11012440 is a wasteful number, since it uses less digits than its factorization.

11012440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11012440 is about 3318.4996609914. The cubic root of 11012440 is about 222.4818147827.

Adding to 11012440 its reverse (4421011), we get a palindrome (15433451).

The spelling of 11012440 in words is "eleven million, twelve thousand, four hundred forty".