41404401421 has 4 divisors (see below), whose sum is σ = 41414938144. Its totient is φ = 41393864700.

The previous prime is 41404401397. The next prime is 41404401427. The reversal of 41404401421 is 12410440414.

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 41404401421 - 2⁷ = 41404401293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41404401427) 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, 5262465 + ... + 5270326.

It is an arithmetic number, because the mean of its divisors is an integer number (10353734536).

Almost surely, 2^41404401421 is an apocalyptic number.

It is an amenable number.

41404401421 is a deficient number, since it is larger than the sum of its proper divisors (10536723).

41404401421 is a wasteful number, since it uses less digits than its factorization.

41404401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536722.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 41404401421 its reverse (12410440414), we get a palindrome (53814841835).

The spelling of 41404401421 in words is "forty-one billion, four hundred four million, four hundred one thousand, four hundred twenty-one".