40320312014221 has 4 divisors (see below), whose sum is σ = 42442433699200. Its totient is φ = 38198190329244.

The previous prime is 40320312014117. The next prime is 40320312014251. The reversal of 40320312014221 is 12241021302304.

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 40320312014221 - 2³⁷ = 40182873060749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320312014251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061060842461 + ... + 1061060842498.

It is an arithmetic number, because the mean of its divisors is an integer number (10610608424800).

Almost surely, 2^{40320312014221} is an apocalyptic number.

It is an amenable number.

40320312014221 is a deficient number, since it is larger than the sum of its proper divisors (2122121684979).

40320312014221 is a wasteful number, since it uses less digits than its factorization.

40320312014221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122121684978.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40320312014221 its reverse (12241021302304), we get a palindrome (52561333316525).

The spelling of 40320312014221 in words is "forty trillion, three hundred twenty billion, three hundred twelve million, fourteen thousand, two hundred twenty-one".