21414208008 has 32 divisors (see below), whose sum is σ = 53539169760. Its totient is φ = 7137582720.

The previous prime is 21414208003. The next prime is 21414208019. The reversal of 21414208008 is 80080241412.

It is not an unprimeable number, because it can be changed into a prime (21414208003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574516 + ... + 610652.

It is an arithmetic number, because the mean of its divisors is an integer number (1673099055).

Almost surely, 2^21414208008 is an apocalyptic number.

It is an amenable number.

21414208008 is an abundant number, since it is smaller than the sum of its proper divisors (32124961752).

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

21414208008 is a wasteful number, since it uses less digits than its factorization.

21414208008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60837 (or 60833 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The spelling of 21414208008 in words is "twenty-one billion, four hundred fourteen million, two hundred eight thousand, eight".