11430040 has 32 divisors (see below), whose sum is σ = 26416080. Its totient is φ = 4447872.

The previous prime is 11430037. The next prime is 11430043. The reversal of 11430040 is 4003411.

It is an interprime number because it is at equal distance from previous prime (11430037) and next prime (11430043).

It is a self number, because there is not a number n which added to its sum of digits gives 11430040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382 + ... + 5341.

Almost surely, 2^11430040 is an apocalyptic number.

11430040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430040 is an abundant number, since it is smaller than the sum of its proper divisors (14986040).

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

11430040 is a wasteful number, since it uses less digits than its factorization.

11430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771 (or 7767 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11430040 is about 3380.8342165803. The cubic root of 11430040 is about 225.2592238657.

Adding to 11430040 its reverse (4003411), we get a palindrome (15433451).

The spelling of 11430040 in words is "eleven million, four hundred thirty thousand, forty".