40320321211 has 8 divisors (see below), whose sum is σ = 42505148880. Its totient is φ = 38141764128.

The previous prime is 40320321161. The next prime is 40320321257. The reversal of 40320321211 is 11212302304.

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 40320321211 - 2¹⁵ = 40320288443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40320321271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554436 + ... + 1580161.

It is an arithmetic number, because the mean of its divisors is an integer number (5313143610).

Almost surely, 2^40320321211 is an apocalyptic number.

40320321211 is a deficient number, since it is larger than the sum of its proper divisors (2184827669).

40320321211 is a wasteful number, since it uses less digits than its factorization.

40320321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135293.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40320321211 its reverse (11212302304), we get a palindrome (51532623515).

The spelling of 40320321211 in words is "forty billion, three hundred twenty million, three hundred twenty-one thousand, two hundred eleven".