11432440 has 32 divisors (see below), whose sum is σ = 26354160. Its totient is φ = 4460800.

The previous prime is 11432423. The next prime is 11432441. The reversal of 11432440 is 4423411.

11432440 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11432441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846 + ... + 5125.

Almost surely, 2^11432440 is an apocalyptic number.

11432440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11432440 is an abundant number, since it is smaller than the sum of its proper divisors (14921720).

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

11432440 is a wasteful number, since it uses less digits than its factorization.

11432440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7023 (or 7019 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 11432440 is about 3381.1891399329. The cubic root of 11432440 is about 225.2749888820.

Adding to 11432440 its reverse (4423411), we get a palindrome (15855851).

The spelling of 11432440 in words is "eleven million, four hundred thirty-two thousand, four hundred forty".