400241444323313 has 4 divisors (see below), whose sum is σ = 414042873437940. Its totient is φ = 386440015208688.

The previous prime is 400241444323289. The next prime is 400241444323321. The reversal of 400241444323313 is 313323444142004.

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 152159823454864 + 248081620868449 = 12335308^2 + 15750607^2 .

It is a cyclic number.

It is not a de Polignac number, because 400241444323313 - 2¹² = 400241444319217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400241444320313) 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, 6900714557270 + ... + 6900714557327.

It is an arithmetic number, because the mean of its divisors is an integer number (103510718359485).

Almost surely, 2^{400241444323313} is an apocalyptic number.

It is an amenable number.

400241444323313 is a deficient number, since it is larger than the sum of its proper divisors (13801429114627).

400241444323313 is a wasteful number, since it uses less digits than its factorization.

400241444323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801429114626.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 400241444323313 its reverse (313323444142004), we get a palindrome (713564888465317).

The spelling of 400241444323313 in words is "four hundred trillion, two hundred forty-one billion, four hundred forty-four million, three hundred twenty-three thousand, three hundred thirteen".