21441414234 has 128 divisors (see below), whose sum is σ = 47496960000. Its totient is φ = 6428263680.

The previous prime is 21441414229. The next prime is 21441414257. The reversal of 21441414234 is 43241414412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42968517 + ... + 42969015.

It is an arithmetic number, because the mean of its divisors is an integer number (371070000).

Almost surely, 2^21441414234 is an apocalyptic number.

21441414234 is an abundant number, since it is smaller than the sum of its proper divisors (26055545766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21441414234 is a wasteful number, since it uses less digits than its factorization.

21441414234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its digits is 12288, while the sum is 30.

Adding to 21441414234 its reverse (43241414412), we get a palindrome (64682828646).

The spelling of 21441414234 in words is "twenty-one billion, four hundred forty-one million, four hundred fourteen thousand, two hundred thirty-four".