21142333304 has 32 divisors (see below), whose sum is σ = 41084053200. Its totient is φ = 10187923200.

The previous prime is 21142333291. The next prime is 21142333321. The reversal of 21142333304 is 40333324112.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 43604 + ... + 210204.

Almost surely, 2^21142333304 is an apocalyptic number.

It is an amenable number.

21142333304 is a deficient number, since it is larger than the sum of its proper divisors (19941719896).

21142333304 is a wasteful number, since it uses less digits than its factorization.

21142333304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167183 (or 167179 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21142333304 its reverse (40333324112), we get a palindrome (61475657416).

The spelling of 21142333304 in words is "twenty-one billion, one hundred forty-two million, three hundred thirty-three thousand, three hundred four".