21232427026 has 8 divisors (see below), whose sum is σ = 31850110080. Its totient is φ = 10615723668.

The previous prime is 21232427017. The next prime is 21232427033. The reversal of 21232427026 is 62072423212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188106 + ... + 279013.

It is an arithmetic number, because the mean of its divisors is an integer number (3981263760).

Almost surely, 2^21232427026 is an apocalyptic number.

21232427026 is a deficient number, since it is larger than the sum of its proper divisors (10617683054).

21232427026 is a wasteful number, since it uses less digits than its factorization.

21232427026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489848.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 21232427026 in words is "twenty-one billion, two hundred thirty-two million, four hundred twenty-seven thousand, twenty-six".