40320311213441 has 4 divisors (see below), whose sum is σ = 46080355672512. Its totient is φ = 34560266754372.

The previous prime is 40320311213363. The next prime is 40320311213459. The reversal of 40320311213441 is 14431211302304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40320311213441 - 2³⁴ = 40303131344257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40320311213471) 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, 2880022229525 + ... + 2880022229538.

It is an arithmetic number, because the mean of its divisors is an integer number (11520088918128).

Almost surely, 2^{40320311213441} is an apocalyptic number.

It is an amenable number.

40320311213441 is a deficient number, since it is larger than the sum of its proper divisors (5760044459071).

40320311213441 is an equidigital number, since it uses as much as digits as its factorization.

40320311213441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760044459070.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 40320311213441 its reverse (14431211302304), we get a palindrome (54751522515745).

The spelling of 40320311213441 in words is "forty trillion, three hundred twenty billion, three hundred eleven million, two hundred thirteen thousand, four hundred forty-one".