340540233541 has 4 divisors (see below), whose sum is σ = 340594909900. Its totient is φ = 340485557184.

The previous prime is 340540233533. The next prime is 340540233557. The reversal of 340540233541 is 145332045043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145332045043 = 43 ⋅3379815001.

It can be written as a sum of positive squares in 2 ways, for example, as 274074237441 + 66465996100 = 523521^2 + 257810^2 .

It is a cyclic number.

It is not a de Polignac number, because 340540233541 - 2³ = 340540233533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340540233497 and 340540233506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340540233521) 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, 27328836 + ... + 27341293.

It is an arithmetic number, because the mean of its divisors is an integer number (85148727475).

Almost surely, 2^340540233541 is an apocalyptic number.

It is an amenable number.

340540233541 is a deficient number, since it is larger than the sum of its proper divisors (54676359).

340540233541 is an equidigital number, since it uses as much as digits as its factorization.

340540233541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54676358.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 340540233541 its reverse (145332045043), we get a palindrome (485872278584).

The spelling of 340540233541 in words is "three hundred forty billion, five hundred forty million, two hundred thirty-three thousand, five hundred forty-one".