21024411414 has 16 divisors (see below), whose sum is σ = 42115468800. Its totient is φ = 6997029480.

The previous prime is 21024411413. The next prime is 21024411427. The reversal of 21024411414 is 41411442012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21024411413) 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 7 ways as a sum of consecutive naturals, for example, 2772814 + ... + 2780385.

It is an arithmetic number, because the mean of its divisors is an integer number (2632216800).

Almost surely, 2^21024411414 is an apocalyptic number.

21024411414 is an abundant number, since it is smaller than the sum of its proper divisors (21091057386).

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

21024411414 is a wasteful number, since it uses less digits than its factorization.

21024411414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553835.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 21024411414 its reverse (41411442012), we get a palindrome (62435853426).

The spelling of 21024411414 in words is "twenty-one billion, twenty-four million, four hundred eleven thousand, four hundred fourteen".