40820339 has 8 divisors (see below), whose sum is σ = 46847328. Its totient is φ = 34842240.

The previous prime is 40820333. The next prime is 40820363. The reversal of 40820339 is 93302804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40820339 - 2⁸ = 40820083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40820333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10412 + ... + 13785.

It is an arithmetic number, because the mean of its divisors is an integer number (5855916).

Almost surely, 2^40820339 is an apocalyptic number.

40820339 is a deficient number, since it is larger than the sum of its proper divisors (6026989).

40820339 is a wasteful number, since it uses less digits than its factorization.

40820339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 40820339 is about 6389.0796676830. The cubic root of 40820339 is about 344.3173197620.

The spelling of 40820339 in words is "forty million, eight hundred twenty thousand, three hundred thirty-nine".