21442433110 has 32 divisors (see below), whose sum is σ = 44124917760. Its totient is φ = 7349229792.

The previous prime is 21442433063. The next prime is 21442433119. The reversal of 21442433110 is 1133424412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21442433119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165787 + ... + 265273.

It is an arithmetic number, because the mean of its divisors is an integer number (1378903680).

Almost surely, 2^21442433110 is an apocalyptic number.

21442433110 is an abundant number, since it is smaller than the sum of its proper divisors (22682484650).

21442433110 is a wasteful number, since it uses less digits than its factorization.

21442433110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102580.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21442433110 its reverse (1133424412), we get a palindrome (22575857522).

The spelling of 21442433110 in words is "twenty-one billion, four hundred forty-two million, four hundred thirty-three thousand, one hundred ten".