40320010321 has 8 divisors (see below), whose sum is σ = 44547940224. Its totient is φ = 36298320960.

The previous prime is 40320010301. The next prime is 40320010343. The reversal of 40320010321 is 12301002304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40320010321 - 2²⁷ = 40185792593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40320010295 and 40320010304.

It is not an unprimeable number, because it can be changed into a prime (40320010301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51559725 + ... + 51560506.

It is an arithmetic number, because the mean of its divisors is an integer number (5568492528).

Almost surely, 2^40320010321 is an apocalyptic number.

It is an amenable number.

40320010321 is a deficient number, since it is larger than the sum of its proper divisors (4227929903).

40320010321 is a wasteful number, since it uses less digits than its factorization.

40320010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103120271.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 40320010321 its reverse (12301002304), we get a palindrome (52621012625).

The spelling of 40320010321 in words is "forty billion, three hundred twenty million, ten thousand, three hundred twenty-one".