40330133321 has 4 divisors (see below), whose sum is σ = 41188221312. Its totient is φ = 39472045332.

The previous prime is 40330133309. The next prime is 40330133339. The reversal of 40330133321 is 12333103304.

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 a de Polignac number, because none of the positive numbers 2^k-40330133321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40330139321) 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, 429043925 + ... + 429044018.

It is an arithmetic number, because the mean of its divisors is an integer number (10297055328).

Almost surely, 2^40330133321 is an apocalyptic number.

It is an amenable number.

40330133321 is a deficient number, since it is larger than the sum of its proper divisors (858087991).

40330133321 is an equidigital number, since it uses as much as digits as its factorization.

40330133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858087990.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 40330133321 its reverse (12333103304), we get a palindrome (52663236625).

The spelling of 40330133321 in words is "forty billion, three hundred thirty million, one hundred thirty-three thousand, three hundred twenty-one".