11250040 has 16 divisors (see below), whose sum is σ = 25312680. Its totient is φ = 4500000.

The previous prime is 11250011. The next prime is 11250049. The reversal of 11250040 is 4005211.

It is a self number, because there is not a number n which added to its sum of digits gives 11250040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11250049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140586 + ... + 140665.

Almost surely, 2^11250040 is an apocalyptic number.

11250040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11250040 is an abundant number, since it is smaller than the sum of its proper divisors (14062640).

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

11250040 is a wasteful number, since it uses less digits than its factorization.

11250040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281262 (or 281258 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 11250040 is about 3354.1079290923. The cubic root of 11250040 is about 224.0705028923.

Adding to 11250040 its reverse (4005211), we get a palindrome (15255251).

The spelling of 11250040 in words is "eleven million, two hundred fifty thousand, forty".