40005341 has 4 divisors (see below), whose sum is σ = 40142172. Its totient is φ = 39868512.

The previous prime is 40005337. The next prime is 40005347. The reversal of 40005341 is 14350004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34269316 + 5736025 = 5854^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 40005341 - 2² = 40005337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40005347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67976 + ... + 68561.

It is an arithmetic number, because the mean of its divisors is an integer number (10035543).

Almost surely, 2^40005341 is an apocalyptic number.

It is an amenable number.

40005341 is a deficient number, since it is larger than the sum of its proper divisors (136831).

40005341 is a wasteful number, since it uses less digits than its factorization.

40005341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136830.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40005341 is about 6324.9775493673. The cubic root of 40005341 is about 342.0104102938.

Adding to 40005341 its reverse (14350004), we get a palindrome (54355345).

The spelling of 40005341 in words is "forty million, five thousand, three hundred forty-one".