40433 has 2 divisors, whose sum is σ = 40434. Its totient is φ = 40432.

The previous prime is 40429. The next prime is 40459. The reversal of 40433 is 33404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27889 + 12544 = 167^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 40433 - 2² = 40429 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20216 + 20217.

It is an arithmetic number, because the mean of its divisors is an integer number (20217).

2⁴⁰⁴³³ is an apocalyptic number.

It is an amenable number.

40433 is a deficient number, since it is larger than the sum of its proper divisors (1).

40433 is an equidigital number, since it uses as much as digits as its factorization.

40433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 40433 is about 201.0795862339. The cubic root of 40433 is about 34.3224795763.

Adding to 40433 its reverse (33404), we get a palindrome (73837).

The spelling of 40433 in words is "forty thousand, four hundred thirty-three".