40344235241 has 4 divisors (see below), whose sum is σ = 40344738900. Its totient is φ = 40343731584.

The previous prime is 40344235237. The next prime is 40344235273. The reversal of 40344235241 is 14253244304.

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 6120715225 + 34223520016 = 78235^2 + 184996^2 .

It is a cyclic number.

It is not a de Polignac number, because 40344235241 - 2² = 40344235237 is a prime.

It is a super-2 number, since 2×40344235241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40344235198 and 40344235207.

It is not an unprimeable number, because it can be changed into a prime (40344735241) 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 3 ways as a sum of consecutive naturals, for example, 101936 + ... + 301793.

It is an arithmetic number, because the mean of its divisors is an integer number (10086184725).

Almost surely, 2^40344235241 is an apocalyptic number.

It is an amenable number.

40344235241 is a deficient number, since it is larger than the sum of its proper divisors (503659).

40344235241 is an equidigital number, since it uses as much as digits as its factorization.

40344235241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503658.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 40344235241 its reverse (14253244304), we get a palindrome (54597479545).

The spelling of 40344235241 in words is "forty billion, three hundred forty-four million, two hundred thirty-five thousand, two hundred forty-one".