40320310314421 has 4 divisors (see below), whose sum is σ = 40401112540000. Its totient is φ = 40239508088844.

The previous prime is 40320310314413. The next prime is 40320310314491. The reversal of 40320310314421 is 12441301302304.

It is a happy number.

40320310314421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40320310314421 - 2³ = 40320310314413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40320310314421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320310314491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40401112041 + ... + 40401113038.

It is an arithmetic number, because the mean of its divisors is an integer number (10100278135000).

Almost surely, 2^{40320310314421} is an apocalyptic number.

It is an amenable number.

40320310314421 is a deficient number, since it is larger than the sum of its proper divisors (80802225579).

40320310314421 is an equidigital number, since it uses as much as digits as its factorization.

40320310314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80802225578.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 40320310314421 its reverse (12441301302304), we get a palindrome (52761611616725).

The spelling of 40320310314421 in words is "forty trillion, three hundred twenty billion, three hundred ten million, three hundred fourteen thousand, four hundred twenty-one".