40424333 has 4 divisors (see below), whose sum is σ = 40523580. Its totient is φ = 40325088.

The previous prime is 40424327. The next prime is 40424339. The reversal of 40424333 is 33342404.

It is a happy number.

40424333 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.

It is an interprime number because it is at equal distance from previous prime (40424327) and next prime (40424339).

It can be written as a sum of positive squares in 2 ways, for example, as 36990724 + 3433609 = 6082^2 + 1853^2 .

It is a cyclic number.

It is not a de Polignac number, because 40424333 - 2¹⁴ = 40407949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40424299 and 40424308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40424339) 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, 49010 + ... + 49827.

It is an arithmetic number, because the mean of its divisors is an integer number (10130895).

Almost surely, 2^40424333 is an apocalyptic number.

It is an amenable number.

40424333 is a deficient number, since it is larger than the sum of its proper divisors (99247).

40424333 is an equidigital number, since it uses as much as digits as its factorization.

40424333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99246.

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

The square root of 40424333 is about 6358.0132903290. The cubic root of 40424333 is about 343.2002700709.

Adding to 40424333 its reverse (33342404), we get a palindrome (73766737).

The spelling of 40424333 in words is "forty million, four hundred twenty-four thousand, three hundred thirty-three".