40533322321 has 4 divisors (see below), whose sum is σ = 40540342000. Its totient is φ = 40526302644.

The previous prime is 40533322283. The next prime is 40533322331. The reversal of 40533322321 is 12322333504.

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 40533322321 - 2¹¹ = 40533320273 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 40533322321.

It is not an unprimeable number, because it can be changed into a prime (40533322331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501171 + ... + 3512728.

It is an arithmetic number, because the mean of its divisors is an integer number (10135085500).

Almost surely, 2^40533322321 is an apocalyptic number.

It is an amenable number.

40533322321 is a deficient number, since it is larger than the sum of its proper divisors (7019679).

40533322321 is an equidigital number, since it uses as much as digits as its factorization.

40533322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019678.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 40533322321 its reverse (12322333504), we get a palindrome (52855655825).

The spelling of 40533322321 in words is "forty billion, five hundred thirty-three million, three hundred twenty-two thousand, three hundred twenty-one".