340440041 has 8 divisors (see below), whose sum is σ = 350765640. Its totient is φ = 330259072.

The previous prime is 340440017. The next prime is 340440083. The reversal of 340440041 is 140044043.

It can be written as a sum of positive squares in 4 ways, for example, as 4084441 + 336355600 = 2021^2 + 18340^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340440041 is a prime.

It is a super-3 number, since 3×340440041³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340439995 and 340440022.

It is not an unprimeable number, because it can be changed into a prime (340440091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31370 + ... + 40803.

It is an arithmetic number, because the mean of its divisors is an integer number (43845705).

Almost surely, 2^340440041 is an apocalyptic number.

It is an amenable number.

340440041 is a deficient number, since it is larger than the sum of its proper divisors (10325599).

340440041 is an equidigital number, since it uses as much as digits as its factorization.

340440041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72315.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 340440041 is about 18451.0173432253. The cubic root of 340440041 is about 698.2541807913.

Adding to 340440041 its reverse (140044043), we get a palindrome (480484084).

The spelling of 340440041 in words is "three hundred forty million, four hundred forty thousand, forty-one".