21410334242 has 32 divisors (see below), whose sum is σ = 37105936704. Its totient is φ = 9157043200.

The previous prime is 21410334241. The next prime is 21410334247. The reversal of 21410334242 is 24243301412.

It is not an unprimeable number, because it can be changed into a prime (21410334241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2371517 + ... + 2380527.

It is an arithmetic number, because the mean of its divisors is an integer number (1159560522).

Almost surely, 2^21410334242 is an apocalyptic number.

21410334242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21410334242 is a deficient number, since it is larger than the sum of its proper divisors (15695602462).

21410334242 is a wasteful number, since it uses less digits than its factorization.

21410334242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15394.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21410334242 its reverse (24243301412), we get a palindrome (45653635654).

The spelling of 21410334242 in words is "twenty-one billion, four hundred ten million, three hundred thirty-four thousand, two hundred forty-two".