40435 has 4 divisors (see below), whose sum is σ = 48528. Its totient is φ = 32344.

The previous prime is 40433. The next prime is 40459. The reversal of 40435 is 53404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40435 - 2¹ = 40433 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 6.

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 3 ways as a sum of consecutive naturals, for example, 4039 + ... + 4048.

It is an arithmetic number, because the mean of its divisors is an integer number (12132).

2⁴⁰⁴³⁵ is an apocalyptic number.

40435 is a deficient number, since it is larger than the sum of its proper divisors (8093).

40435 is an equidigital number, since it uses as much as digits as its factorization.

40435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8092.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40435 is about 201.0845593277. The cubic root of 40435 is about 34.3230454822.

Adding to 40435 its reverse (53404), we get a palindrome (93839).

The spelling of 40435 in words is "forty thousand, four hundred thirty-five".