21424210414232 has 16 divisors (see below), whose sum is σ = 40171470916200. Its totient is φ = 10711818169920.

The previous prime is 21424210414223. The next prime is 21424210414307. The reversal of 21424210414232 is 23241401242412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35562269 + ... + 36159692.

Almost surely, 2^{21424210414232} is an apocalyptic number.

It is an amenable number.

21424210414232 is a deficient number, since it is larger than the sum of its proper divisors (18747260501968).

21424210414232 is a wasteful number, since it uses less digits than its factorization.

21424210414232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71759306 (or 71759302 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 21424210414232 its reverse (23241401242412), we get a palindrome (44665611656644).

The spelling of 21424210414232 in words is "twenty-one trillion, four hundred twenty-four billion, two hundred ten million, four hundred fourteen thousand, two hundred thirty-two".