40430 has 16 divisors (see below), whose sum is σ = 78624. Its totient is φ = 14880.

The previous prime is 40429. The next prime is 40433. The reversal of 40430 is 3404.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40430.

It is not an unprimeable number, because it can be changed into a prime (40433) 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, 26 + ... + 285.

It is an arithmetic number, because the mean of its divisors is an integer number (4914).

2⁴⁰⁴³⁰ is an apocalyptic number.

40430 is a deficient number, since it is larger than the sum of its proper divisors (38194).

40430 is a wasteful number, since it uses less digits than its factorization.

40430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 40430 is about 201.0721263627. The cubic root of 40430 is about 34.3216306823.

Adding to 40430 its reverse (3404), we get a palindrome (43834).

It can be divided in two parts, 404 and 30, that added together give a palindrome (434).

The spelling of 40430 in words is "forty thousand, four hundred thirty".