40104224421 has 4 divisors (see below), whose sum is σ = 53472299232. Its totient is φ = 26736149612.

The previous prime is 40104224417. The next prime is 40104224443. The reversal of 40104224421 is 12442240104.

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 40104224421 - 2² = 40104224417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40104224391 and 40104224400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40104224411) 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 3 ways as a sum of consecutive naturals, for example, 6684037401 + ... + 6684037406.

It is an arithmetic number, because the mean of its divisors is an integer number (13368074808).

Almost surely, 2^40104224421 is an apocalyptic number.

It is an amenable number.

40104224421 is a deficient number, since it is larger than the sum of its proper divisors (13368074811).

40104224421 is a wasteful number, since it uses less digits than its factorization.

40104224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13368074810.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 40104224421 its reverse (12442240104), we get a palindrome (52546464525).

The spelling of 40104224421 in words is "forty billion, one hundred four million, two hundred twenty-four thousand, four hundred twenty-one".