40340022321 has 4 divisors (see below), whose sum is σ = 53786696432. Its totient is φ = 26893348212.

The previous prime is 40340022293. The next prime is 40340022361. The reversal of 40340022321 is 12322004304.

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 not a de Polignac number, because 40340022321 - 2¹³ = 40340014129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40340022361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6723337051 + ... + 6723337056.

It is an arithmetic number, because the mean of its divisors is an integer number (13446674108).

Almost surely, 2^40340022321 is an apocalyptic number.

It is an amenable number.

40340022321 is a deficient number, since it is larger than the sum of its proper divisors (13446674111).

40340022321 is a wasteful number, since it uses less digits than its factorization.

40340022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13446674110.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40340022321 its reverse (12322004304), we get a palindrome (52662026625).

The spelling of 40340022321 in words is "forty billion, three hundred forty million, twenty-two thousand, three hundred twenty-one".