21344033022404 has 6 divisors (see below), whose sum is σ = 37352057789214. Its totient is φ = 10672016511200.

The previous prime is 21344033022383. The next prime is 21344033022409. The reversal of 21344033022404 is 40422033044312.

It can be written as a sum of positive squares in only one way, i.e., 19933278208900 + 1410754813504 = 4464670^2 + 1187752^2 .

It is a super-2 number, since 2×21344033022404² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21344033022409) 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 as a sum of consecutive naturals, namely, 2668004127797 + ... + 2668004127804.

It is an arithmetic number, because the mean of its divisors is an integer number (6225342964869).

Almost surely, 2^{21344033022404} is an apocalyptic number.

It is an amenable number.

21344033022404 is a deficient number, since it is larger than the sum of its proper divisors (16008024766810).

21344033022404 is a wasteful number, since it uses less digits than its factorization.

21344033022404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336008255605 (or 5336008255603 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 21344033022404 its reverse (40422033044312), we get a palindrome (61766066066716).

The spelling of 21344033022404 in words is "twenty-one trillion, three hundred forty-four billion, thirty-three million, twenty-two thousand, four hundred four".