21302440303334 has 8 divisors (see below), whose sum is σ = 32495247920520. Its totient is φ = 10470690996496.

The previous prime is 21302440303321. The next prime is 21302440303337. The reversal of 21302440303334 is 43330304420312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21302440303334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302440303337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90264577439 + ... + 90264577674.

It is an arithmetic number, because the mean of its divisors is an integer number (4061905990065).

Almost surely, 2^{21302440303334} is an apocalyptic number.

21302440303334 is a deficient number, since it is larger than the sum of its proper divisors (11192807617186).

21302440303334 is a wasteful number, since it uses less digits than its factorization.

21302440303334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180529155174.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 21302440303334 its reverse (43330304420312), we get a palindrome (64632744723646).

The spelling of 21302440303334 in words is "twenty-one trillion, three hundred two billion, four hundred forty million, three hundred three thousand, three hundred thirty-four".