11007840 has 192 divisors, whose sum is σ = 39191040. Its totient is φ = 2580480.

The previous prime is 11007797. The next prime is 11007853. The reversal of 11007840 is 4870011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155005 + ... + 155075.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

Almost surely, 2^11007840 is an apocalyptic number.

11007840 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 11007840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19595520).

11007840 is an abundant number, since it is smaller than the sum of its proper divisors (28183200).

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

11007840 is a wasteful number, since it uses less digits than its factorization.

11007840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 11007840 is about 3317.8065043037. The cubic root of 11007840 is about 222.4508328847.

Adding to 11007840 its reverse (4870011), we get a palindrome (15877851).

The spelling of 11007840 in words is "eleven million, seven thousand, eight hundred forty".