21240044303022 has 48 divisors (see below), whose sum is σ = 48731062126032. Its totient is φ = 6663009749760.

The previous prime is 21240044303017. The next prime is 21240044303069. The reversal of 21240044303022 is 22030344004212.

21240044303022 is a `hidden beast` number, since 212 + 4 + 0 + 0 + 443 + 0 + 3 + 0 + 2 + 2 = 666.

It is a super-2 number, since 2×21240044303022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057497 + ... + 6602907.

It is an arithmetic number, because the mean of its divisors is an integer number (1015230460959).

Almost surely, 2^{21240044303022} is an apocalyptic number.

21240044303022 is an abundant number, since it is smaller than the sum of its proper divisors (27491017823010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21240044303022 is a wasteful number, since it uses less digits than its factorization.

21240044303022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557953 (or 5557950 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 21240044303022 its reverse (22030344004212), we get a palindrome (43270388307234).

The spelling of 21240044303022 in words is "twenty-one trillion, two hundred forty billion, forty-four million, three hundred three thousand, twenty-two".