21442412002 has 8 divisors (see below), whose sum is σ = 35087583312. Its totient is φ = 9746550900.

The previous prime is 21442411897. The next prime is 21442412021. The reversal of 21442412002 is 20021424412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 974655091 = 21442412002 / (2 + 1 + 4 + 4 + 2 + 4 + 1 + 2 + 0 + 0 + 2).

It is an unprimeable number.

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, 487327524 + ... + 487327567.

It is an arithmetic number, because the mean of its divisors is an integer number (4385947914).

Almost surely, 2^21442412002 is an apocalyptic number.

21442412002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21442412002 is a deficient number, since it is larger than the sum of its proper divisors (13645171310).

21442412002 is a wasteful number, since it uses less digits than its factorization.

21442412002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974655104.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 21442412002 its reverse (20021424412), we get a palindrome (41463836414).

The spelling of 21442412002 in words is "twenty-one billion, four hundred forty-two million, four hundred twelve thousand, two".