11030140 has 48 divisors (see below), whose sum is σ = 25500384. Its totient is φ = 3974400.

The previous prime is 11030137. The next prime is 11030171. The reversal of 11030140 is 4103011.

It is a happy number.

11030140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 39682 + ... + 39958.

It is an arithmetic number, because the mean of its divisors is an integer number (531258).

Almost surely, 2^11030140 is an apocalyptic number.

11030140 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 11030140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12750192).

11030140 is an abundant number, since it is smaller than the sum of its proper divisors (14470244).

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

11030140 is a wasteful number, since it uses less digits than its factorization.

11030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11030140 is about 3321.1654580885. The cubic root of 11030140 is about 222.6009473343.

Adding to 11030140 its reverse (4103011), we get a palindrome (15133151).

The spelling of 11030140 in words is "eleven million, thirty thousand, one hundred forty".