214426439808 has 384 divisors, whose sum is σ = 690774828480. Its totient is φ = 58706436096.

The previous prime is 214426439797. The next prime is 214426439863. The reversal of 214426439808 is 808934624412.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46642566 + ... + 46647162.

Almost surely, 2^214426439808 is an apocalyptic number.

214426439808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214426439808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345387414240).

214426439808 is an abundant number, since it is smaller than the sum of its proper divisors (476348388672).

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

214426439808 is a wasteful number, since it uses less digits than its factorization.

214426439808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 214426439808 in words is "two hundred fourteen billion, four hundred twenty-six million, four hundred thirty-nine thousand, eight hundred eight".