40324433 has 4 divisors (see below), whose sum is σ = 40350960. Its totient is φ = 40297908.

The previous prime is 40324429. The next prime is 40324457. The reversal of 40324433 is 33442304.

It is a happy number.

40324433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40324433 - 2² = 40324429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40324399 and 40324408.

It is not an unprimeable number, because it can be changed into a prime (40324423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10835 + ... + 14072.

It is an arithmetic number, because the mean of its divisors is an integer number (10087740).

Almost surely, 2^40324433 is an apocalyptic number.

It is an amenable number.

40324433 is a deficient number, since it is larger than the sum of its proper divisors (26527).

40324433 is a wasteful number, since it uses less digits than its factorization.

40324433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26526.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 40324433 is about 6350.1522029003. The cubic root of 40324433 is about 342.9173217697.

Adding to 40324433 its reverse (33442304), we get a palindrome (73766737).

The spelling of 40324433 in words is "forty million, three hundred twenty-four thousand, four hundred thirty-three".