21441413404 has 48 divisors (see below), whose sum is σ = 40058323200. Its totient is φ = 10006951680.

The previous prime is 21441413401. The next prime is 21441413449. The reversal of 21441413404 is 40431414412.

It is a super-2 number, since 2×21441413404² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441413401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4476699 + ... + 4481485.

It is an arithmetic number, because the mean of its divisors is an integer number (834548400).

Almost surely, 2^21441413404 is an apocalyptic number.

It is an amenable number.

21441413404 is a deficient number, since it is larger than the sum of its proper divisors (18616909796).

21441413404 is a wasteful number, since it uses less digits than its factorization.

21441413404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5336 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 21441413404 its reverse (40431414412), we get a palindrome (61872827816).

The spelling of 21441413404 in words is "twenty-one billion, four hundred forty-one million, four hundred thirteen thousand, four hundred four".